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Finding the Fourth Proportional to 43,757.66, 65,650.89 and 17,447.90

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Solution

The fourth proportional to 43,757.66, 65,650.89 and 17,447.90 is: 26,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,757.66 : 65,650.89 = 17,447.90 : x
  2. Step 2: Convert to fraction form
    43,757.66/65,650.89 = 17,447.90/x
  3. Step 3: Cross multiply
    43,757.66x = 65,650.89 × 17,447.90
  4. Step 4: Simplify right side
    43,757.66x = 1,145,470,163.63
  5. Step 5: Solve for x
    x = 1,145,470,163.63/43,757.66
  6. Step 6: Final answer
    x = 26,177.59

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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.