Home / 40,270.80-60,397.56-12,553.68

Finding the Fourth Proportional to 40,270.80, 60,397.56 and 12,553.68

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Solution

The fourth proportional to 40,270.80, 60,397.56 and 12,553.68 is: 18,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.80 : 60,397.56 = 12,553.68 : x
  2. Step 2: Convert to fraction form
    40,270.80/60,397.56 = 12,553.68/x
  3. Step 3: Cross multiply
    40,270.80x = 60,397.56 × 12,553.68
  4. Step 4: Simplify right side
    40,270.80x = 758,211,641.02
  5. Step 5: Solve for x
    x = 758,211,641.02/40,270.80
  6. Step 6: Final answer
    x = 18,827.83

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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.