Home / 33,351.60-50,039.12-20,857.44

Finding the Fourth Proportional to 33,351.60, 50,039.12 and 20,857.44

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Solution

The fourth proportional to 33,351.60, 50,039.12 and 20,857.44 is: 31,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,351.60 : 50,039.12 = 20,857.44 : x
  2. Step 2: Convert to fraction form
    33,351.60/50,039.12 = 20,857.44/x
  3. Step 3: Cross multiply
    33,351.60x = 50,039.12 × 20,857.44
  4. Step 4: Simplify right side
    33,351.60x = 1,043,687,943.05
  5. Step 5: Solve for x
    x = 1,043,687,943.05/33,351.60
  6. Step 6: Final answer
    x = 31,293.49

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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.