Home / 33,159.78-49,747.57-9,786.22

Finding the Fourth Proportional to 33,159.78, 49,747.57 and 9,786.22

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Solution

The fourth proportional to 33,159.78, 49,747.57 and 9,786.22 is: 14,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.78 : 49,747.57 = 9,786.22 : x
  2. Step 2: Convert to fraction form
    33,159.78/49,747.57 = 9,786.22/x
  3. Step 3: Cross multiply
    33,159.78x = 49,747.57 × 9,786.22
  4. Step 4: Simplify right side
    33,159.78x = 486,840,515.65
  5. Step 5: Solve for x
    x = 486,840,515.65/33,159.78
  6. Step 6: Final answer
    x = 14,681.66

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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.