Home / 49,801.25-68,723.72-27,139.76

Finding the Fourth Proportional to 49,801.25, 68,723.72 and 27,139.76

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Solution

The fourth proportional to 49,801.25, 68,723.72 and 27,139.76 is: 37,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,801.25 : 68,723.72 = 27,139.76 : x
  2. Step 2: Convert to fraction form
    49,801.25/68,723.72 = 27,139.76/x
  3. Step 3: Cross multiply
    49,801.25x = 68,723.72 × 27,139.76
  4. Step 4: Simplify right side
    49,801.25x = 1,865,145,299.94
  5. Step 5: Solve for x
    x = 1,865,145,299.94/49,801.25
  6. Step 6: Final answer
    x = 37,451.78

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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.