Home / 49,171.78-67,857.11-26,815.78

Finding the Fourth Proportional to 49,171.78, 67,857.11 and 26,815.78

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Solution

The fourth proportional to 49,171.78, 67,857.11 and 26,815.78 is: 37,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,171.78 : 67,857.11 = 26,815.78 : x
  2. Step 2: Convert to fraction form
    49,171.78/67,857.11 = 26,815.78/x
  3. Step 3: Cross multiply
    49,171.78x = 67,857.11 × 26,815.78
  4. Step 4: Simplify right side
    49,171.78x = 1,819,641,333.20
  5. Step 5: Solve for x
    x = 1,819,641,333.20/49,171.78
  6. Step 6: Final answer
    x = 37,005.81

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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.