Home / 33,474.40-50,144.68-20,140.04

Finding the Fourth Proportional to 33,474.40, 50,144.68 and 20,140.04

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Solution

The fourth proportional to 33,474.40, 50,144.68 and 20,140.04 is: 30,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,474.40 : 50,144.68 = 20,140.04 : x
  2. Step 2: Convert to fraction form
    33,474.40/50,144.68 = 20,140.04/x
  3. Step 3: Cross multiply
    33,474.40x = 50,144.68 × 20,140.04
  4. Step 4: Simplify right side
    33,474.40x = 1,009,915,860.99
  5. Step 5: Solve for x
    x = 1,009,915,860.99/33,474.40
  6. Step 6: Final answer
    x = 30,169.80

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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.