Home / 56,259.60-84,397.59-20,737.92

Finding the Fourth Proportional to 56,259.60, 84,397.59 and 20,737.92

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Solution

The fourth proportional to 56,259.60, 84,397.59 and 20,737.92 is: 31,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,259.60 : 84,397.59 = 20,737.92 : x
  2. Step 2: Convert to fraction form
    56,259.60/84,397.59 = 20,737.92/x
  3. Step 3: Cross multiply
    56,259.60x = 84,397.59 × 20,737.92
  4. Step 4: Simplify right side
    56,259.60x = 1,750,230,469.61
  5. Step 5: Solve for x
    x = 1,750,230,469.61/56,259.60
  6. Step 6: Final answer
    x = 31,109.90

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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.