Home / 42,344.16-63,505.17-20,113.32

Finding the Fourth Proportional to 42,344.16, 63,505.17 and 20,113.32

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Solution

The fourth proportional to 42,344.16, 63,505.17 and 20,113.32 is: 30,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,344.16 : 63,505.17 = 20,113.32 : x
  2. Step 2: Convert to fraction form
    42,344.16/63,505.17 = 20,113.32/x
  3. Step 3: Cross multiply
    42,344.16x = 63,505.17 × 20,113.32
  4. Step 4: Simplify right side
    42,344.16x = 1,277,299,805.86
  5. Step 5: Solve for x
    x = 1,277,299,805.86/42,344.16
  6. Step 6: Final answer
    x = 30,164.72

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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.