Home / 54,470.91-81,664.85-28,158.87

Finding the Fourth Proportional to 54,470.91, 81,664.85 and 28,158.87

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Solution

The fourth proportional to 54,470.91, 81,664.85 and 28,158.87 is: 42,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,470.91 : 81,664.85 = 28,158.87 : x
  2. Step 2: Convert to fraction form
    54,470.91/81,664.85 = 28,158.87/x
  3. Step 3: Cross multiply
    54,470.91x = 81,664.85 × 28,158.87
  4. Step 4: Simplify right side
    54,470.91x = 2,299,589,753.93
  5. Step 5: Solve for x
    x = 2,299,589,753.93/54,470.91
  6. Step 6: Final answer
    x = 42,216.84

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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.