Home / 33,332.58-49,974.12-20,181.78

Finding the Fourth Proportional to 33,332.58, 49,974.12 and 20,181.78

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Solution

The fourth proportional to 33,332.58, 49,974.12 and 20,181.78 is: 30,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,332.58 : 49,974.12 = 20,181.78 : x
  2. Step 2: Convert to fraction form
    33,332.58/49,974.12 = 20,181.78/x
  3. Step 3: Cross multiply
    33,332.58x = 49,974.12 × 20,181.78
  4. Step 4: Simplify right side
    33,332.58x = 1,008,566,695.53
  5. Step 5: Solve for x
    x = 1,008,566,695.53/33,332.58
  6. Step 6: Final answer
    x = 30,257.68

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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.