Home / 33,179.31-49,767.75-8,219.43

Finding the Fourth Proportional to 33,179.31, 49,767.75 and 8,219.43

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Solution

The fourth proportional to 33,179.31, 49,767.75 and 8,219.43 is: 12,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,179.31 : 49,767.75 = 8,219.43 : x
  2. Step 2: Convert to fraction form
    33,179.31/49,767.75 = 8,219.43/x
  3. Step 3: Cross multiply
    33,179.31x = 49,767.75 × 8,219.43
  4. Step 4: Simplify right side
    33,179.31x = 409,062,537.38
  5. Step 5: Solve for x
    x = 409,062,537.38/33,179.31
  6. Step 6: Final answer
    x = 12,328.84

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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.