Home / 39,125.22-58,691.11-12,475

Finding the Fourth Proportional to 39,125.22, 58,691.11 and 12,475

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Solution

The fourth proportional to 39,125.22, 58,691.11 and 12,475 is: 18,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.22 : 58,691.11 = 12,475 : x
  2. Step 2: Convert to fraction form
    39,125.22/58,691.11 = 12,475/x
  3. Step 3: Cross multiply
    39,125.22x = 58,691.11 × 12,475
  4. Step 4: Simplify right side
    39,125.22x = 732,171,597.25
  5. Step 5: Solve for x
    x = 732,171,597.25/39,125.22
  6. Step 6: Final answer
    x = 18,713.55

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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.