Home / 43,732.24-65,542.16-18,765.92

Finding the Fourth Proportional to 43,732.24, 65,542.16 and 18,765.92

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Solution

The fourth proportional to 43,732.24, 65,542.16 and 18,765.92 is: 28,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,732.24 : 65,542.16 = 18,765.92 : x
  2. Step 2: Convert to fraction form
    43,732.24/65,542.16 = 18,765.92/x
  3. Step 3: Cross multiply
    43,732.24x = 65,542.16 × 18,765.92
  4. Step 4: Simplify right side
    43,732.24x = 1,229,958,931.19
  5. Step 5: Solve for x
    x = 1,229,958,931.19/43,732.24
  6. Step 6: Final answer
    x = 28,124.76

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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.