Home / 42,463.08-63,712.10-18,758.13

Finding the Fourth Proportional to 42,463.08, 63,712.10 and 18,758.13

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Solution

The fourth proportional to 42,463.08, 63,712.10 and 18,758.13 is: 28,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.08 : 63,712.10 = 18,758.13 : x
  2. Step 2: Convert to fraction form
    42,463.08/63,712.10 = 18,758.13/x
  3. Step 3: Cross multiply
    42,463.08x = 63,712.10 × 18,758.13
  4. Step 4: Simplify right side
    42,463.08x = 1,195,119,760.58
  5. Step 5: Solve for x
    x = 1,195,119,760.58/42,463.08
  6. Step 6: Final answer
    x = 28,144.91

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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.