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Finding the Fourth Proportional to 41,461.88, 62,192.81 and 13,759.88

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Solution

The fourth proportional to 41,461.88, 62,192.81 and 13,759.88 is: 20,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,461.88 : 62,192.81 = 13,759.88 : x
  2. Step 2: Convert to fraction form
    41,461.88/62,192.81 = 13,759.88/x
  3. Step 3: Cross multiply
    41,461.88x = 62,192.81 × 13,759.88
  4. Step 4: Simplify right side
    41,461.88x = 855,765,325.90
  5. Step 5: Solve for x
    x = 855,765,325.90/41,461.88
  6. Step 6: Final answer
    x = 20,639.81

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1.5x scale

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.