Home / 63,687.20-95,390.40-39,917.36

Finding the Fourth Proportional to 63,687.20, 95,390.40 and 39,917.36

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Solution

The fourth proportional to 63,687.20, 95,390.40 and 39,917.36 is: 59,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.20 : 95,390.40 = 39,917.36 : x
  2. Step 2: Convert to fraction form
    63,687.20/95,390.40 = 39,917.36/x
  3. Step 3: Cross multiply
    63,687.20x = 95,390.40 × 39,917.36
  4. Step 4: Simplify right side
    63,687.20x = 3,807,732,937.34
  5. Step 5: Solve for x
    x = 3,807,732,937.34/63,687.20
  6. Step 6: Final answer
    x = 59,788.04

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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.