Home / 52,454.47-72,387.70-28,581.54

Finding the Fourth Proportional to 52,454.47, 72,387.70 and 28,581.54

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Solution

The fourth proportional to 52,454.47, 72,387.70 and 28,581.54 is: 39,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.47 : 72,387.70 = 28,581.54 : x
  2. Step 2: Convert to fraction form
    52,454.47/72,387.70 = 28,581.54/x
  3. Step 3: Cross multiply
    52,454.47x = 72,387.70 × 28,581.54
  4. Step 4: Simplify right side
    52,454.47x = 2,068,951,943.06
  5. Step 5: Solve for x
    x = 2,068,951,943.06/52,454.47
  6. Step 6: Final answer
    x = 39,442.81

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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.