Home / 33,807.20-50,725.20-21,336.80

Finding the Fourth Proportional to 33,807.20, 50,725.20 and 21,336.80

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Solution

The fourth proportional to 33,807.20, 50,725.20 and 21,336.80 is: 32,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,807.20 : 50,725.20 = 21,336.80 : x
  2. Step 2: Convert to fraction form
    33,807.20/50,725.20 = 21,336.80/x
  3. Step 3: Cross multiply
    33,807.20x = 50,725.20 × 21,336.80
  4. Step 4: Simplify right side
    33,807.20x = 1,082,313,447.36
  5. Step 5: Solve for x
    x = 1,082,313,447.36/33,807.20
  6. Step 6: Final answer
    x = 32,014.29

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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.