Home / 40,310.46-60,470.10-13,675.68

Finding the Fourth Proportional to 40,310.46, 60,470.10 and 13,675.68

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Solution

The fourth proportional to 40,310.46, 60,470.10 and 13,675.68 is: 20,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.46 : 60,470.10 = 13,675.68 : x
  2. Step 2: Convert to fraction form
    40,310.46/60,470.10 = 13,675.68/x
  3. Step 3: Cross multiply
    40,310.46x = 60,470.10 × 13,675.68
  4. Step 4: Simplify right side
    40,310.46x = 826,969,737.17
  5. Step 5: Solve for x
    x = 826,969,737.17/40,310.46
  6. Step 6: Final answer
    x = 20,515.02

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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.