Home / 40,372.59-60,559.17-15,405.91

Finding the Fourth Proportional to 40,372.59, 60,559.17 and 15,405.91

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Solution

The fourth proportional to 40,372.59, 60,559.17 and 15,405.91 is: 23,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.59 : 60,559.17 = 15,405.91 : x
  2. Step 2: Convert to fraction form
    40,372.59/60,559.17 = 15,405.91/x
  3. Step 3: Cross multiply
    40,372.59x = 60,559.17 × 15,405.91
  4. Step 4: Simplify right side
    40,372.59x = 932,969,122.69
  5. Step 5: Solve for x
    x = 932,969,122.69/40,372.59
  6. Step 6: Final answer
    x = 23,108.97

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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.