Home / 57,113.71-85,691.06-25,521.13

Finding the Fourth Proportional to 57,113.71, 85,691.06 and 25,521.13

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Solution

The fourth proportional to 57,113.71, 85,691.06 and 25,521.13 is: 38,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.71 : 85,691.06 = 25,521.13 : x
  2. Step 2: Convert to fraction form
    57,113.71/85,691.06 = 25,521.13/x
  3. Step 3: Cross multiply
    57,113.71x = 85,691.06 × 25,521.13
  4. Step 4: Simplify right side
    57,113.71x = 2,186,932,682.10
  5. Step 5: Solve for x
    x = 2,186,932,682.10/57,113.71
  6. Step 6: Final answer
    x = 38,290.85

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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.