Home / 49,789.76-68,710.68-27,129.84

Finding the Fourth Proportional to 49,789.76, 68,710.68 and 27,129.84

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Solution

The fourth proportional to 49,789.76, 68,710.68 and 27,129.84 is: 37,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,789.76 : 68,710.68 = 27,129.84 : x
  2. Step 2: Convert to fraction form
    49,789.76/68,710.68 = 27,129.84/x
  3. Step 3: Cross multiply
    49,789.76x = 68,710.68 × 27,129.84
  4. Step 4: Simplify right side
    49,789.76x = 1,864,109,754.69
  5. Step 5: Solve for x
    x = 1,864,109,754.69/49,789.76
  6. Step 6: Final answer
    x = 37,439.62

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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.