Home / 33,229.20-49,843.80-19,405.20

Finding the Fourth Proportional to 33,229.20, 49,843.80 and 19,405.20

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Solution

The fourth proportional to 33,229.20, 49,843.80 and 19,405.20 is: 29,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,229.20 : 49,843.80 = 19,405.20 : x
  2. Step 2: Convert to fraction form
    33,229.20/49,843.80 = 19,405.20/x
  3. Step 3: Cross multiply
    33,229.20x = 49,843.80 × 19,405.20
  4. Step 4: Simplify right side
    33,229.20x = 967,228,907.76
  5. Step 5: Solve for x
    x = 967,228,907.76/33,229.20
  6. Step 6: Final answer
    x = 29,107.80

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1.5x scale

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.