Home / 33,331.58-49,972.62-20,180.78

Finding the Fourth Proportional to 33,331.58, 49,972.62 and 20,180.78

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Solution

The fourth proportional to 33,331.58, 49,972.62 and 20,180.78 is: 30,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.58 : 49,972.62 = 20,180.78 : x
  2. Step 2: Convert to fraction form
    33,331.58/49,972.62 = 20,180.78/x
  3. Step 3: Cross multiply
    33,331.58x = 49,972.62 × 20,180.78
  4. Step 4: Simplify right side
    33,331.58x = 1,008,486,450.24
  5. Step 5: Solve for x
    x = 1,008,486,450.24/33,331.58
  6. Step 6: Final answer
    x = 30,256.18

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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.