Home / 49,789.96-68,709.86-27,128.90

Finding the Fourth Proportional to 49,789.96, 68,709.86 and 27,128.90

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Solution

The fourth proportional to 49,789.96, 68,709.86 and 27,128.90 is: 37,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,789.96 : 68,709.86 = 27,128.90 : x
  2. Step 2: Convert to fraction form
    49,789.96/68,709.86 = 27,128.90/x
  3. Step 3: Cross multiply
    49,789.96x = 68,709.86 × 27,128.90
  4. Step 4: Simplify right side
    49,789.96x = 1,864,022,920.95
  5. Step 5: Solve for x
    x = 1,864,022,920.95/49,789.96
  6. Step 6: Final answer
    x = 37,437.73

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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.