Home / 57,103.11-85,672.19-25,539.72

Finding the Fourth Proportional to 57,103.11, 85,672.19 and 25,539.72

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Solution

The fourth proportional to 57,103.11, 85,672.19 and 25,539.72 is: 38,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.11 : 85,672.19 = 25,539.72 : x
  2. Step 2: Convert to fraction form
    57,103.11/85,672.19 = 25,539.72/x
  3. Step 3: Cross multiply
    57,103.11x = 85,672.19 × 25,539.72
  4. Step 4: Simplify right side
    57,103.11x = 2,188,043,830.87
  5. Step 5: Solve for x
    x = 2,188,043,830.87/57,103.11
  6. Step 6: Final answer
    x = 38,317.42

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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.