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Finding the Fourth Proportional to 40,395.59, 60,600.61 and 13,740.22

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Solution

The fourth proportional to 40,395.59, 60,600.61 and 13,740.22 is: 20,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.59 : 60,600.61 = 13,740.22 : x
  2. Step 2: Convert to fraction form
    40,395.59/60,600.61 = 13,740.22/x
  3. Step 3: Cross multiply
    40,395.59x = 60,600.61 × 13,740.22
  4. Step 4: Simplify right side
    40,395.59x = 832,665,558.73
  5. Step 5: Solve for x
    x = 832,665,558.73/40,395.59
  6. Step 6: Final answer
    x = 20,612.78

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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.