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Finding the Fourth Proportional to 41,751.80, 62,628 and 14,049.80

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Solution

The fourth proportional to 41,751.80, 62,628 and 14,049.80 is: 21,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,751.80 : 62,628 = 14,049.80 : x
  2. Step 2: Convert to fraction form
    41,751.80/62,628 = 14,049.80/x
  3. Step 3: Cross multiply
    41,751.80x = 62,628 × 14,049.80
  4. Step 4: Simplify right side
    41,751.80x = 879,910,874.40
  5. Step 5: Solve for x
    x = 879,910,874.40/41,751.80
  6. Step 6: Final answer
    x = 21,074.80

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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.