Home / 33,279.76-49,929.12-11,107.66

Finding the Fourth Proportional to 33,279.76, 49,929.12 and 11,107.66

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Solution

The fourth proportional to 33,279.76, 49,929.12 and 11,107.66 is: 16,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.76 : 49,929.12 = 11,107.66 : x
  2. Step 2: Convert to fraction form
    33,279.76/49,929.12 = 11,107.66/x
  3. Step 3: Cross multiply
    33,279.76x = 49,929.12 × 11,107.66
  4. Step 4: Simplify right side
    33,279.76x = 554,595,689.06
  5. Step 5: Solve for x
    x = 554,595,689.06/33,279.76
  6. Step 6: Final answer
    x = 16,664.65

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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.