Home / 42,498.28-63,747.36-20,244.16

Finding the Fourth Proportional to 42,498.28, 63,747.36 and 20,244.16

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Solution

The fourth proportional to 42,498.28, 63,747.36 and 20,244.16 is: 30,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,498.28 : 63,747.36 = 20,244.16 : x
  2. Step 2: Convert to fraction form
    42,498.28/63,747.36 = 20,244.16/x
  3. Step 3: Cross multiply
    42,498.28x = 63,747.36 × 20,244.16
  4. Step 4: Simplify right side
    42,498.28x = 1,290,511,755.42
  5. Step 5: Solve for x
    x = 1,290,511,755.42/42,498.28
  6. Step 6: Final answer
    x = 30,366.21

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.