Home / 49,129.20-67,797.72-28,986.12

Finding the Fourth Proportional to 49,129.20, 67,797.72 and 28,986.12

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Solution

The fourth proportional to 49,129.20, 67,797.72 and 28,986.12 is: 40,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.20 : 67,797.72 = 28,986.12 : x
  2. Step 2: Convert to fraction form
    49,129.20/67,797.72 = 28,986.12/x
  3. Step 3: Cross multiply
    49,129.20x = 67,797.72 × 28,986.12
  4. Step 4: Simplify right side
    49,129.20x = 1,965,192,847.65
  5. Step 5: Solve for x
    x = 1,965,192,847.65/49,129.20
  6. Step 6: Final answer
    x = 40,000.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.