Home / 40,354.17-55,687.92-22,448.79

Finding the Fourth Proportional to 40,354.17, 55,687.92 and 22,448.79

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Solution

The fourth proportional to 40,354.17, 55,687.92 and 22,448.79 is: 30,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.17 : 55,687.92 = 22,448.79 : x
  2. Step 2: Convert to fraction form
    40,354.17/55,687.92 = 22,448.79/x
  3. Step 3: Cross multiply
    40,354.17x = 55,687.92 × 22,448.79
  4. Step 4: Simplify right side
    40,354.17x = 1,250,126,421.62
  5. Step 5: Solve for x
    x = 1,250,126,421.62/40,354.17
  6. Step 6: Final answer
    x = 30,978.87

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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.