Home / 57,638.25-79,542-32,487.75

Finding the Fourth Proportional to 57,638.25, 79,542 and 32,487.75

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Solution

The fourth proportional to 57,638.25, 79,542 and 32,487.75 is: 44,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.25 : 79,542 = 32,487.75 : x
  2. Step 2: Convert to fraction form
    57,638.25/79,542 = 32,487.75/x
  3. Step 3: Cross multiply
    57,638.25x = 79,542 × 32,487.75
  4. Step 4: Simplify right side
    57,638.25x = 2,584,140,610.50
  5. Step 5: Solve for x
    x = 2,584,140,610.50/57,638.25
  6. Step 6: Final answer
    x = 44,833.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.