Home / 48,937.20-67,508.61-28,781.25

Finding the Fourth Proportional to 48,937.20, 67,508.61 and 28,781.25

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Solution

The fourth proportional to 48,937.20, 67,508.61 and 28,781.25 is: 39,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,937.20 : 67,508.61 = 28,781.25 : x
  2. Step 2: Convert to fraction form
    48,937.20/67,508.61 = 28,781.25/x
  3. Step 3: Cross multiply
    48,937.20x = 67,508.61 × 28,781.25
  4. Step 4: Simplify right side
    48,937.20x = 1,942,982,181.56
  5. Step 5: Solve for x
    x = 1,942,982,181.56/48,937.20
  6. Step 6: Final answer
    x = 39,703.58

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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.