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Finding the Fourth Proportional to 45,636.46, 62,978.45 and 25,494.12

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Solution

The fourth proportional to 45,636.46, 62,978.45 and 25,494.12 is: 35,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,636.46 : 62,978.45 = 25,494.12 : x
  2. Step 2: Convert to fraction form
    45,636.46/62,978.45 = 25,494.12/x
  3. Step 3: Cross multiply
    45,636.46x = 62,978.45 × 25,494.12
  4. Step 4: Simplify right side
    45,636.46x = 1,605,580,034.24
  5. Step 5: Solve for x
    x = 1,605,580,034.24/45,636.46
  6. Step 6: Final answer
    x = 35,181.96

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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.