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Finding the Fourth Proportional to 62,658.56, 93,991.59 and 25,218.47

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Solution

The fourth proportional to 62,658.56, 93,991.59 and 25,218.47 is: 37,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,658.56 : 93,991.59 = 25,218.47 : x
  2. Step 2: Convert to fraction form
    62,658.56/93,991.59 = 25,218.47/x
  3. Step 3: Cross multiply
    62,658.56x = 93,991.59 × 25,218.47
  4. Step 4: Simplify right side
    62,658.56x = 2,370,324,327.65
  5. Step 5: Solve for x
    x = 2,370,324,327.65/62,658.56
  6. Step 6: Final answer
    x = 37,829.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.