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Finding the Fourth Proportional to 43,797.49, 65,775.43 and 40,462.15

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Solution

The fourth proportional to 43,797.49, 65,775.43 and 40,462.15 is: 60,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,797.49 : 65,775.43 = 40,462.15 : x
  2. Step 2: Convert to fraction form
    43,797.49/65,775.43 = 40,462.15/x
  3. Step 3: Cross multiply
    43,797.49x = 65,775.43 × 40,462.15
  4. Step 4: Simplify right side
    43,797.49x = 2,661,415,314.97
  5. Step 5: Solve for x
    x = 2,661,415,314.97/43,797.49
  6. Step 6: Final answer
    x = 60,766.39

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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.