Home / 49,264.16-67,986.22-29,138.28

Finding the Fourth Proportional to 49,264.16, 67,986.22 and 29,138.28

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Solution

The fourth proportional to 49,264.16, 67,986.22 and 29,138.28 is: 40,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,264.16 : 67,986.22 = 29,138.28 : x
  2. Step 2: Convert to fraction form
    49,264.16/67,986.22 = 29,138.28/x
  3. Step 3: Cross multiply
    49,264.16x = 67,986.22 × 29,138.28
  4. Step 4: Simplify right side
    49,264.16x = 1,981,001,514.50
  5. Step 5: Solve for x
    x = 1,981,001,514.50/49,264.16
  6. Step 6: Final answer
    x = 40,211.82

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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.