Home / 33,829.20-50,758.20-21,358.80

Finding the Fourth Proportional to 33,829.20, 50,758.20 and 21,358.80

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Solution

The fourth proportional to 33,829.20, 50,758.20 and 21,358.80 is: 32,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,829.20 : 50,758.20 = 21,358.80 : x
  2. Step 2: Convert to fraction form
    33,829.20/50,758.20 = 21,358.80/x
  3. Step 3: Cross multiply
    33,829.20x = 50,758.20 × 21,358.80
  4. Step 4: Simplify right side
    33,829.20x = 1,084,134,242.16
  5. Step 5: Solve for x
    x = 1,084,134,242.16/33,829.20
  6. Step 6: Final answer
    x = 32,047.29

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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.