Home / 33,991.60-50,921-22,269.28

Finding the Fourth Proportional to 33,991.60, 50,921 and 22,269.28

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Solution

The fourth proportional to 33,991.60, 50,921 and 22,269.28 is: 33,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.60 : 50,921 = 22,269.28 : x
  2. Step 2: Convert to fraction form
    33,991.60/50,921 = 22,269.28/x
  3. Step 3: Cross multiply
    33,991.60x = 50,921 × 22,269.28
  4. Step 4: Simplify right side
    33,991.60x = 1,133,974,006.88
  5. Step 5: Solve for x
    x = 1,133,974,006.88/33,991.60
  6. Step 6: Final answer
    x = 33,360.42

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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.