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Finding the Fourth Proportional to 41,751.30, 62,628.30 and 13,672.95

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Solution

The fourth proportional to 41,751.30, 62,628.30 and 13,672.95 is: 20,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,751.30 : 62,628.30 = 13,672.95 : x
  2. Step 2: Convert to fraction form
    41,751.30/62,628.30 = 13,672.95/x
  3. Step 3: Cross multiply
    41,751.30x = 62,628.30 × 13,672.95
  4. Step 4: Simplify right side
    41,751.30x = 856,313,614.49
  5. Step 5: Solve for x
    x = 856,313,614.49/41,751.30
  6. Step 6: Final answer
    x = 20,509.87

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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.