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Finding the Fourth Proportional to 41,751.96, 62,629.18 and 12,169.16

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Solution

The fourth proportional to 41,751.96, 62,629.18 and 12,169.16 is: 18,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,751.96 : 62,629.18 = 12,169.16 : x
  2. Step 2: Convert to fraction form
    41,751.96/62,629.18 = 12,169.16/x
  3. Step 3: Cross multiply
    41,751.96x = 62,629.18 × 12,169.16
  4. Step 4: Simplify right side
    41,751.96x = 762,144,512.09
  5. Step 5: Solve for x
    x = 762,144,512.09/41,751.96
  6. Step 6: Final answer
    x = 18,254.10

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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.