Home / 33,380.88-50,084-15,621.60

Finding the Fourth Proportional to 33,380.88, 50,084 and 15,621.60

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Solution

The fourth proportional to 33,380.88, 50,084 and 15,621.60 is: 23,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,380.88 : 50,084 = 15,621.60 : x
  2. Step 2: Convert to fraction form
    33,380.88/50,084 = 15,621.60/x
  3. Step 3: Cross multiply
    33,380.88x = 50,084 × 15,621.60
  4. Step 4: Simplify right side
    33,380.88x = 782,392,214.40
  5. Step 5: Solve for x
    x = 782,392,214.40/33,380.88
  6. Step 6: Final answer
    x = 23,438.33

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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.