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Finding the Fourth Proportional to 49,688.88, 68,570.88 and 27,027.96

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Solution

The fourth proportional to 49,688.88, 68,570.88 and 27,027.96 is: 37,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.88 : 68,570.88 = 27,027.96 : x
  2. Step 2: Convert to fraction form
    49,688.88/68,570.88 = 27,027.96/x
  3. Step 3: Cross multiply
    49,688.88x = 68,570.88 × 27,027.96
  4. Step 4: Simplify right side
    49,688.88x = 1,853,331,001.80
  5. Step 5: Solve for x
    x = 1,853,331,001.80/49,688.88
  6. Step 6: Final answer
    x = 37,298.71

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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.