Home / 57,125.28-85,576.32-39,352.80

Finding the Fourth Proportional to 57,125.28, 85,576.32 and 39,352.80

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Solution

The fourth proportional to 57,125.28, 85,576.32 and 39,352.80 is: 58,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,125.28 : 85,576.32 = 39,352.80 : x
  2. Step 2: Convert to fraction form
    57,125.28/85,576.32 = 39,352.80/x
  3. Step 3: Cross multiply
    57,125.28x = 85,576.32 × 39,352.80
  4. Step 4: Simplify right side
    57,125.28x = 3,367,667,805.70
  5. Step 5: Solve for x
    x = 3,367,667,805.70/57,125.28
  6. Step 6: Final answer
    x = 58,952.32

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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.