Home / 42,428.47-63,650.89-16,131.16

Finding the Fourth Proportional to 42,428.47, 63,650.89 and 16,131.16

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Solution

The fourth proportional to 42,428.47, 63,650.89 and 16,131.16 is: 24,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,428.47 : 63,650.89 = 16,131.16 : x
  2. Step 2: Convert to fraction form
    42,428.47/63,650.89 = 16,131.16/x
  3. Step 3: Cross multiply
    42,428.47x = 63,650.89 × 16,131.16
  4. Step 4: Simplify right side
    42,428.47x = 1,026,762,690.73
  5. Step 5: Solve for x
    x = 1,026,762,690.73/42,428.47
  6. Step 6: Final answer
    x = 24,199.85

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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.