Home / 49,256.87-67,977.11-28,042.97

Finding the Fourth Proportional to 49,256.87, 67,977.11 and 28,042.97

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Solution

The fourth proportional to 49,256.87, 67,977.11 and 28,042.97 is: 38,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,256.87 : 67,977.11 = 28,042.97 : x
  2. Step 2: Convert to fraction form
    49,256.87/67,977.11 = 28,042.97/x
  3. Step 3: Cross multiply
    49,256.87x = 67,977.11 × 28,042.97
  4. Step 4: Simplify right side
    49,256.87x = 1,906,279,916.20
  5. Step 5: Solve for x
    x = 1,906,279,916.20/49,256.87
  6. Step 6: Final answer
    x = 38,700.79

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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.