Home / 54,306.15-74,939.40-31,648.83

Finding the Fourth Proportional to 54,306.15, 74,939.40 and 31,648.83

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Solution

The fourth proportional to 54,306.15, 74,939.40 and 31,648.83 is: 43,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.15 : 74,939.40 = 31,648.83 : x
  2. Step 2: Convert to fraction form
    54,306.15/74,939.40 = 31,648.83/x
  3. Step 3: Cross multiply
    54,306.15x = 74,939.40 × 31,648.83
  4. Step 4: Simplify right side
    54,306.15x = 2,371,744,330.90
  5. Step 5: Solve for x
    x = 2,371,744,330.90/54,306.15
  6. Step 6: Final answer
    x = 43,673.59

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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.