Home / 33,888.87-50,845.41-20,589

Finding the Fourth Proportional to 33,888.87, 50,845.41 and 20,589

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Solution

The fourth proportional to 33,888.87, 50,845.41 and 20,589 is: 30,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,888.87 : 50,845.41 = 20,589 : x
  2. Step 2: Convert to fraction form
    33,888.87/50,845.41 = 20,589/x
  3. Step 3: Cross multiply
    33,888.87x = 50,845.41 × 20,589
  4. Step 4: Simplify right side
    33,888.87x = 1,046,856,146.49
  5. Step 5: Solve for x
    x = 1,046,856,146.49/33,888.87
  6. Step 6: Final answer
    x = 30,890.85

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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.