Home / 33,028.80-49,543.20-13,297.20

Finding the Fourth Proportional to 33,028.80, 49,543.20 and 13,297.20

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Solution

The fourth proportional to 33,028.80, 49,543.20 and 13,297.20 is: 19,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028.80 : 49,543.20 = 13,297.20 : x
  2. Step 2: Convert to fraction form
    33,028.80/49,543.20 = 13,297.20/x
  3. Step 3: Cross multiply
    33,028.80x = 49,543.20 × 13,297.20
  4. Step 4: Simplify right side
    33,028.80x = 658,785,839.04
  5. Step 5: Solve for x
    x = 658,785,839.04/33,028.80
  6. Step 6: Final answer
    x = 19,945.80

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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.