Home / 49,537.12-68,351.70-28,311.88

Finding the Fourth Proportional to 49,537.12, 68,351.70 and 28,311.88

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Solution

The fourth proportional to 49,537.12, 68,351.70 and 28,311.88 is: 39,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,537.12 : 68,351.70 = 28,311.88 : x
  2. Step 2: Convert to fraction form
    49,537.12/68,351.70 = 28,311.88/x
  3. Step 3: Cross multiply
    49,537.12x = 68,351.70 × 28,311.88
  4. Step 4: Simplify right side
    49,537.12x = 1,935,165,128.20
  5. Step 5: Solve for x
    x = 1,935,165,128.20/49,537.12
  6. Step 6: Final answer
    x = 39,064.95

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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.