Home / 33,291.68-49,962.84-12,251.60

Finding the Fourth Proportional to 33,291.68, 49,962.84 and 12,251.60

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Solution

The fourth proportional to 33,291.68, 49,962.84 and 12,251.60 is: 18,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.68 : 49,962.84 = 12,251.60 : x
  2. Step 2: Convert to fraction form
    33,291.68/49,962.84 = 12,251.60/x
  3. Step 3: Cross multiply
    33,291.68x = 49,962.84 × 12,251.60
  4. Step 4: Simplify right side
    33,291.68x = 612,124,730.54
  5. Step 5: Solve for x
    x = 612,124,730.54/33,291.68
  6. Step 6: Final answer
    x = 18,386.72

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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.