Home / 41,159.88-61,743.60-18,979.38

Finding the Fourth Proportional to 41,159.88, 61,743.60 and 18,979.38

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Solution

The fourth proportional to 41,159.88, 61,743.60 and 18,979.38 is: 28,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,159.88 : 61,743.60 = 18,979.38 : x
  2. Step 2: Convert to fraction form
    41,159.88/61,743.60 = 18,979.38/x
  3. Step 3: Cross multiply
    41,159.88x = 61,743.60 × 18,979.38
  4. Step 4: Simplify right side
    41,159.88x = 1,171,855,246.97
  5. Step 5: Solve for x
    x = 1,171,855,246.97/41,159.88
  6. Step 6: Final answer
    x = 28,470.81

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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.