Home / 33,441.56-50,168.90-12,381.78

Finding the Fourth Proportional to 33,441.56, 50,168.90 and 12,381.78

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Solution

The fourth proportional to 33,441.56, 50,168.90 and 12,381.78 is: 18,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,441.56 : 50,168.90 = 12,381.78 : x
  2. Step 2: Convert to fraction form
    33,441.56/50,168.90 = 12,381.78/x
  3. Step 3: Cross multiply
    33,441.56x = 50,168.90 × 12,381.78
  4. Step 4: Simplify right side
    33,441.56x = 621,179,969.89
  5. Step 5: Solve for x
    x = 621,179,969.89/33,441.56
  6. Step 6: Final answer
    x = 18,575.09

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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.