Home / 57,000.12-85,517.49-40,392.29

Finding the Fourth Proportional to 57,000.12, 85,517.49 and 40,392.29

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Solution

The fourth proportional to 57,000.12, 85,517.49 and 40,392.29 is: 60,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,000.12 : 85,517.49 = 40,392.29 : x
  2. Step 2: Convert to fraction form
    57,000.12/85,517.49 = 40,392.29/x
  3. Step 3: Cross multiply
    57,000.12x = 85,517.49 × 40,392.29
  4. Step 4: Simplify right side
    57,000.12x = 3,454,246,828.56
  5. Step 5: Solve for x
    x = 3,454,246,828.56/57,000.12
  6. Step 6: Final answer
    x = 60,600.69

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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.