Home / 40,387.11-55,732.91-22,481.52

Finding the Fourth Proportional to 40,387.11, 55,732.91 and 22,481.52

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Solution

The fourth proportional to 40,387.11, 55,732.91 and 22,481.52 is: 31,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.11 : 55,732.91 = 22,481.52 : x
  2. Step 2: Convert to fraction form
    40,387.11/55,732.91 = 22,481.52/x
  3. Step 3: Cross multiply
    40,387.11x = 55,732.91 × 22,481.52
  4. Step 4: Simplify right side
    40,387.11x = 1,252,960,418.42
  5. Step 5: Solve for x
    x = 1,252,960,418.42/40,387.11
  6. Step 6: Final answer
    x = 31,023.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.