Home / 43,909.11-65,863.84-10,629.12

Finding the Fourth Proportional to 43,909.11, 65,863.84 and 10,629.12

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Solution

The fourth proportional to 43,909.11, 65,863.84 and 10,629.12 is: 15,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.11 : 65,863.84 = 10,629.12 : x
  2. Step 2: Convert to fraction form
    43,909.11/65,863.84 = 10,629.12/x
  3. Step 3: Cross multiply
    43,909.11x = 65,863.84 × 10,629.12
  4. Step 4: Simplify right side
    43,909.11x = 700,074,919.30
  5. Step 5: Solve for x
    x = 700,074,919.30/43,909.11
  6. Step 6: Final answer
    x = 15,943.73

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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.