Home / 33,198.82-49,746.32-20,860.90

Finding the Fourth Proportional to 33,198.82, 49,746.32 and 20,860.90

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Solution

The fourth proportional to 33,198.82, 49,746.32 and 20,860.90 is: 31,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.82 : 49,746.32 = 20,860.90 : x
  2. Step 2: Convert to fraction form
    33,198.82/49,746.32 = 20,860.90/x
  3. Step 3: Cross multiply
    33,198.82x = 49,746.32 × 20,860.90
  4. Step 4: Simplify right side
    33,198.82x = 1,037,753,006.89
  5. Step 5: Solve for x
    x = 1,037,753,006.89/33,198.82
  6. Step 6: Final answer
    x = 31,258.73

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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.