# 15 percent of thirty Dollars

Using this tool you can find any percentage in three ways. So, we think you reached us looking for answers like: What is 15 (15%) percent (%) of thirty (30)? Or may be: 15 percent of thirty Dollars. See the solutions to these problems just after the percentage calculator below.

See the solutions to these problems just after the percentage calculator below.

## How to work out percentages - Step by Step

Here are the solutions to the questions stated above:

### 1) What is 15% of 30?

Always use this formula to find a percentage:

^{%} / _{100} = ^{Part} / _{Whole} replace the given values:

^{15} / _{100} = ^{Part} / _{30}

Cross multiply:

15 x 30 = 100 x Part, or

450 = 100 x Part

Now, divide by 100 and get the answer:

Part = ^{450} / _{100} = 4.5

### 2) 15 is what percent of 30?

Use again the same percentage formula:

^{%} / _{100} = ^{Part} / _{Whole} replace the given values:

^{%} / _{100} = ^{15} / _{30}

Cross multiply:

% x 30 = 15 x 100

Divide by 30 and get the percentage:

% = ^{15 x 100} / _{30} = 50%