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Finding the Fourth Proportional to 45,469.87, 62,748.31 and 25,326.54

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Solution

The fourth proportional to 45,469.87, 62,748.31 and 25,326.54 is: 34,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,469.87 : 62,748.31 = 25,326.54 : x
  2. Step 2: Convert to fraction form
    45,469.87/62,748.31 = 25,326.54/x
  3. Step 3: Cross multiply
    45,469.87x = 62,748.31 × 25,326.54
  4. Step 4: Simplify right side
    45,469.87x = 1,589,197,583.15
  5. Step 5: Solve for x
    x = 1,589,197,583.15/45,469.87
  6. Step 6: Final answer
    x = 34,950.56

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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.