Home / 33,180.24-49,740.48-12,105.57

Finding the Fourth Proportional to 33,180.24, 49,740.48 and 12,105.57

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Solution

The fourth proportional to 33,180.24, 49,740.48 and 12,105.57 is: 18,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.24 : 49,740.48 = 12,105.57 : x
  2. Step 2: Convert to fraction form
    33,180.24/49,740.48 = 12,105.57/x
  3. Step 3: Cross multiply
    33,180.24x = 49,740.48 × 12,105.57
  4. Step 4: Simplify right side
    33,180.24x = 602,136,862.47
  5. Step 5: Solve for x
    x = 602,136,862.47/33,180.24
  6. Step 6: Final answer
    x = 18,147.45

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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.