Home / 33,319-49,939.62-18,520.84

Finding the Fourth Proportional to 33,319, 49,939.62 and 18,520.84

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Solution

The fourth proportional to 33,319, 49,939.62 and 18,520.84 is: 27,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319 : 49,939.62 = 18,520.84 : x
  2. Step 2: Convert to fraction form
    33,319/49,939.62 = 18,520.84/x
  3. Step 3: Cross multiply
    33,319x = 49,939.62 × 18,520.84
  4. Step 4: Simplify right side
    33,319x = 924,923,711.68
  5. Step 5: Solve for x
    x = 924,923,711.68/33,319
  6. Step 6: Final answer
    x = 27,759.65

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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.