Home / 42,387.75-63,592.97-14,685.75

Finding the Fourth Proportional to 42,387.75, 63,592.97 and 14,685.75

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Solution

The fourth proportional to 42,387.75, 63,592.97 and 14,685.75 is: 22,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387.75 : 63,592.97 = 14,685.75 : x
  2. Step 2: Convert to fraction form
    42,387.75/63,592.97 = 14,685.75/x
  3. Step 3: Cross multiply
    42,387.75x = 63,592.97 × 14,685.75
  4. Step 4: Simplify right side
    42,387.75x = 933,910,385.75
  5. Step 5: Solve for x
    x = 933,910,385.75/42,387.75
  6. Step 6: Final answer
    x = 22,032.55

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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.