Home / 54,281.97-74,909.78-31,306.46

Finding the Fourth Proportional to 54,281.97, 74,909.78 and 31,306.46

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Solution

The fourth proportional to 54,281.97, 74,909.78 and 31,306.46 is: 43,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.97 : 74,909.78 = 31,306.46 : x
  2. Step 2: Convert to fraction form
    54,281.97/74,909.78 = 31,306.46/x
  3. Step 3: Cross multiply
    54,281.97x = 74,909.78 × 31,306.46
  4. Step 4: Simplify right side
    54,281.97x = 2,345,159,500.10
  5. Step 5: Solve for x
    x = 2,345,159,500.10/54,281.97
  6. Step 6: Final answer
    x = 43,203.29

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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.