Home / 33,211.92-49,822.20-12,148.68

Finding the Fourth Proportional to 33,211.92, 49,822.20 and 12,148.68

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Solution

The fourth proportional to 33,211.92, 49,822.20 and 12,148.68 is: 18,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.92 : 49,822.20 = 12,148.68 : x
  2. Step 2: Convert to fraction form
    33,211.92/49,822.20 = 12,148.68/x
  3. Step 3: Cross multiply
    33,211.92x = 49,822.20 × 12,148.68
  4. Step 4: Simplify right side
    33,211.92x = 605,273,964.70
  5. Step 5: Solve for x
    x = 605,273,964.70/33,211.92
  6. Step 6: Final answer
    x = 18,224.60

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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.