Home / 49,311.09-68,049.14-28,093.95

Finding the Fourth Proportional to 49,311.09, 68,049.14 and 28,093.95

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Solution

The fourth proportional to 49,311.09, 68,049.14 and 28,093.95 is: 38,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,311.09 : 68,049.14 = 28,093.95 : x
  2. Step 2: Convert to fraction form
    49,311.09/68,049.14 = 28,093.95/x
  3. Step 3: Cross multiply
    49,311.09x = 68,049.14 × 28,093.95
  4. Step 4: Simplify right side
    49,311.09x = 1,911,769,136.70
  5. Step 5: Solve for x
    x = 1,911,769,136.70/49,311.09
  6. Step 6: Final answer
    x = 38,769.56

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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.