Home / 50,121.38-69,167.50-29,979.11

Finding the Fourth Proportional to 50,121.38, 69,167.50 and 29,979.11

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Solution

The fourth proportional to 50,121.38, 69,167.50 and 29,979.11 is: 41,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,121.38 : 69,167.50 = 29,979.11 : x
  2. Step 2: Convert to fraction form
    50,121.38/69,167.50 = 29,979.11/x
  3. Step 3: Cross multiply
    50,121.38x = 69,167.50 × 29,979.11
  4. Step 4: Simplify right side
    50,121.38x = 2,073,579,670.14
  5. Step 5: Solve for x
    x = 2,073,579,670.14/50,121.38
  6. Step 6: Final answer
    x = 41,371.16

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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.