Finding the Fourth Proportional to 33,078.99, 49,839.16 and 29,920.08
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Solution
The fourth proportional to 33,078.99, 49,839.16 and 29,920.08 is: 45,079.72
Step by Step Solution
- Step 1: Write the proportion equation
33,078.99 : 49,839.16 = 29,920.08 : x - Step 2: Convert to fraction form
33,078.99/49,839.16 = 29,920.08/x - Step 3: Cross multiply
33,078.99x = 49,839.16 × 29,920.08 - Step 4: Simplify right side
33,078.99x = 1,491,191,654.33 - Step 5: Solve for x
x = 1,491,191,654.33/33,078.99 - Step 6: Final answer
x = 45,079.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.