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Finding the Fourth Proportional to 45,481, 62,763.96 and 25,609

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Solution

The fourth proportional to 45,481, 62,763.96 and 25,609 is: 35,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481 : 62,763.96 = 25,609 : x
  2. Step 2: Convert to fraction form
    45,481/62,763.96 = 25,609/x
  3. Step 3: Cross multiply
    45,481x = 62,763.96 × 25,609
  4. Step 4: Simplify right side
    45,481x = 1,607,322,251.64
  5. Step 5: Solve for x
    x = 1,607,322,251.64/45,481
  6. Step 6: Final answer
    x = 35,340.52

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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.