Home / 41,128.18-56,755.84-22,979.04

Finding the Fourth Proportional to 41,128.18, 56,755.84 and 22,979.04

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Solution

The fourth proportional to 41,128.18, 56,755.84 and 22,979.04 is: 31,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,128.18 : 56,755.84 = 22,979.04 : x
  2. Step 2: Convert to fraction form
    41,128.18/56,755.84 = 22,979.04/x
  3. Step 3: Cross multiply
    41,128.18x = 56,755.84 × 22,979.04
  4. Step 4: Simplify right side
    41,128.18x = 1,304,194,717.59
  5. Step 5: Solve for x
    x = 1,304,194,717.59/41,128.18
  6. Step 6: Final answer
    x = 31,710.49

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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.