Home / 42,515.02-63,781.17-14,832.46

Finding the Fourth Proportional to 42,515.02, 63,781.17 and 14,832.46

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Solution

The fourth proportional to 42,515.02, 63,781.17 and 14,832.46 is: 22,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,515.02 : 63,781.17 = 14,832.46 : x
  2. Step 2: Convert to fraction form
    42,515.02/63,781.17 = 14,832.46/x
  3. Step 3: Cross multiply
    42,515.02x = 63,781.17 × 14,832.46
  4. Step 4: Simplify right side
    42,515.02x = 946,031,652.78
  5. Step 5: Solve for x
    x = 946,031,652.78/42,515.02
  6. Step 6: Final answer
    x = 22,251.70

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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.