Home / 34,579.78-51,874.47-11,198.66

Finding the Fourth Proportional to 34,579.78, 51,874.47 and 11,198.66

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Solution

The fourth proportional to 34,579.78, 51,874.47 and 11,198.66 is: 16,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,579.78 : 51,874.47 = 11,198.66 : x
  2. Step 2: Convert to fraction form
    34,579.78/51,874.47 = 11,198.66/x
  3. Step 3: Cross multiply
    34,579.78x = 51,874.47 × 11,198.66
  4. Step 4: Simplify right side
    34,579.78x = 580,924,552.21
  5. Step 5: Solve for x
    x = 580,924,552.21/34,579.78
  6. Step 6: Final answer
    x = 16,799.54

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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.