Home / 33,279.10-49,918.65-21,469.30

Finding the Fourth Proportional to 33,279.10, 49,918.65 and 21,469.30

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Solution

The fourth proportional to 33,279.10, 49,918.65 and 21,469.30 is: 32,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.10 : 49,918.65 = 21,469.30 : x
  2. Step 2: Convert to fraction form
    33,279.10/49,918.65 = 21,469.30/x
  3. Step 3: Cross multiply
    33,279.10x = 49,918.65 × 21,469.30
  4. Step 4: Simplify right side
    33,279.10x = 1,071,718,472.45
  5. Step 5: Solve for x
    x = 1,071,718,472.45/33,279.10
  6. Step 6: Final answer
    x = 32,203.95

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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.