Home / 43,691.12-65,535.72-12,526.64

Finding the Fourth Proportional to 43,691.12, 65,535.72 and 12,526.64

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Solution

The fourth proportional to 43,691.12, 65,535.72 and 12,526.64 is: 18,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,691.12 : 65,535.72 = 12,526.64 : x
  2. Step 2: Convert to fraction form
    43,691.12/65,535.72 = 12,526.64/x
  3. Step 3: Cross multiply
    43,691.12x = 65,535.72 × 12,526.64
  4. Step 4: Simplify right side
    43,691.12x = 820,942,371.58
  5. Step 5: Solve for x
    x = 820,942,371.58/43,691.12
  6. Step 6: Final answer
    x = 18,789.68

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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.