Home / 52,454.28-72,387.30-28,581.60

Finding the Fourth Proportional to 52,454.28, 72,387.30 and 28,581.60

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Solution

The fourth proportional to 52,454.28, 72,387.30 and 28,581.60 is: 39,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.28 : 72,387.30 = 28,581.60 : x
  2. Step 2: Convert to fraction form
    52,454.28/72,387.30 = 28,581.60/x
  3. Step 3: Cross multiply
    52,454.28x = 72,387.30 × 28,581.60
  4. Step 4: Simplify right side
    52,454.28x = 2,068,944,853.68
  5. Step 5: Solve for x
    x = 2,068,944,853.68/52,454.28
  6. Step 6: Final answer
    x = 39,442.82

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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.