Home / 54,221.91-81,332.87-14,778.15

Finding the Fourth Proportional to 54,221.91, 81,332.87 and 14,778.15

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Solution

The fourth proportional to 54,221.91, 81,332.87 and 14,778.15 is: 22,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.91 : 81,332.87 = 14,778.15 : x
  2. Step 2: Convert to fraction form
    54,221.91/81,332.87 = 14,778.15/x
  3. Step 3: Cross multiply
    54,221.91x = 81,332.87 × 14,778.15
  4. Step 4: Simplify right side
    54,221.91x = 1,201,949,278.90
  5. Step 5: Solve for x
    x = 1,201,949,278.90/54,221.91
  6. Step 6: Final answer
    x = 22,167.23

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1.5x scale

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.