Home / 81,538.26-122,306.31-22,373.88

Finding the Fourth Proportional to 81,538.26, 122,306.31 and 22,373.88

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Solution

The fourth proportional to 81,538.26, 122,306.31 and 22,373.88 is: 33,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,538.26 : 122,306.31 = 22,373.88 : x
  2. Step 2: Convert to fraction form
    81,538.26/122,306.31 = 22,373.88/x
  3. Step 3: Cross multiply
    81,538.26x = 122,306.31 × 22,373.88
  4. Step 4: Simplify right side
    81,538.26x = 2,736,466,703.18
  5. Step 5: Solve for x
    x = 2,736,466,703.18/81,538.26
  6. Step 6: Final answer
    x = 33,560.52

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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.