Home / 41,651.12-57,479.76-22,789.28

Finding the Fourth Proportional to 41,651.12, 57,479.76 and 22,789.28

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Solution

The fourth proportional to 41,651.12, 57,479.76 and 22,789.28 is: 31,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,651.12 : 57,479.76 = 22,789.28 : x
  2. Step 2: Convert to fraction form
    41,651.12/57,479.76 = 22,789.28/x
  3. Step 3: Cross multiply
    41,651.12x = 57,479.76 × 22,789.28
  4. Step 4: Simplify right side
    41,651.12x = 1,309,922,344.97
  5. Step 5: Solve for x
    x = 1,309,922,344.97/41,651.12
  6. Step 6: Final answer
    x = 31,449.87

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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.