Home / 57,306.31-85,959.07-31,177.12

Finding the Fourth Proportional to 57,306.31, 85,959.07 and 31,177.12

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Solution

The fourth proportional to 57,306.31, 85,959.07 and 31,177.12 is: 46,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306.31 : 85,959.07 = 31,177.12 : x
  2. Step 2: Convert to fraction form
    57,306.31/85,959.07 = 31,177.12/x
  3. Step 3: Cross multiply
    57,306.31x = 85,959.07 × 31,177.12
  4. Step 4: Simplify right side
    57,306.31x = 2,679,956,240.48
  5. Step 5: Solve for x
    x = 2,679,956,240.48/57,306.31
  6. Step 6: Final answer
    x = 46,765.47

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Similar ratio
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1.5x scale

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.