Home / 47,617.28-71,431.68-22,976

Finding the Fourth Proportional to 47,617.28, 71,431.68 and 22,976

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Solution

The fourth proportional to 47,617.28, 71,431.68 and 22,976 is: 34,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,617.28 : 71,431.68 = 22,976 : x
  2. Step 2: Convert to fraction form
    47,617.28/71,431.68 = 22,976/x
  3. Step 3: Cross multiply
    47,617.28x = 71,431.68 × 22,976
  4. Step 4: Simplify right side
    47,617.28x = 1,641,214,279.68
  5. Step 5: Solve for x
    x = 1,641,214,279.68/47,617.28
  6. Step 6: Final answer
    x = 34,466.78

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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.