Home / 47,551.92-71,325-12,491.52

Finding the Fourth Proportional to 47,551.92, 71,325 and 12,491.52

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Solution

The fourth proportional to 47,551.92, 71,325 and 12,491.52 is: 18,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,551.92 : 71,325 = 12,491.52 : x
  2. Step 2: Convert to fraction form
    47,551.92/71,325 = 12,491.52/x
  3. Step 3: Cross multiply
    47,551.92x = 71,325 × 12,491.52
  4. Step 4: Simplify right side
    47,551.92x = 890,957,664
  5. Step 5: Solve for x
    x = 890,957,664/47,551.92
  6. Step 6: Final answer
    x = 18,736.52

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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.