Home / 48,131.11-72,055.92-28,079.29

Finding the Fourth Proportional to 48,131.11, 72,055.92 and 28,079.29

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Solution

The fourth proportional to 48,131.11, 72,055.92 and 28,079.29 is: 42,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.11 : 72,055.92 = 28,079.29 : x
  2. Step 2: Convert to fraction form
    48,131.11/72,055.92 = 28,079.29/x
  3. Step 3: Cross multiply
    48,131.11x = 72,055.92 × 28,079.29
  4. Step 4: Simplify right side
    48,131.11x = 2,023,279,073.90
  5. Step 5: Solve for x
    x = 2,023,279,073.90/48,131.11
  6. Step 6: Final answer
    x = 42,036.83

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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.