Home / 33,213.78-49,786.05-14,488.79

Finding the Fourth Proportional to 33,213.78, 49,786.05 and 14,488.79

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Solution

The fourth proportional to 33,213.78, 49,786.05 and 14,488.79 is: 21,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.78 : 49,786.05 = 14,488.79 : x
  2. Step 2: Convert to fraction form
    33,213.78/49,786.05 = 14,488.79/x
  3. Step 3: Cross multiply
    33,213.78x = 49,786.05 × 14,488.79
  4. Step 4: Simplify right side
    33,213.78x = 721,339,623.38
  5. Step 5: Solve for x
    x = 721,339,623.38/33,213.78
  6. Step 6: Final answer
    x = 21,718.08

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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.