Home / 40,469.28-60,712.11-14,192.52

Finding the Fourth Proportional to 40,469.28, 60,712.11 and 14,192.52

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Solution

The fourth proportional to 40,469.28, 60,712.11 and 14,192.52 is: 21,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,469.28 : 60,712.11 = 14,192.52 : x
  2. Step 2: Convert to fraction form
    40,469.28/60,712.11 = 14,192.52/x
  3. Step 3: Cross multiply
    40,469.28x = 60,712.11 × 14,192.52
  4. Step 4: Simplify right side
    40,469.28x = 861,657,835.42
  5. Step 5: Solve for x
    x = 861,657,835.42/40,469.28
  6. Step 6: Final answer
    x = 21,291.65

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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.