Home / 33,447.45-50,172.25-12,392.78

Finding the Fourth Proportional to 33,447.45, 50,172.25 and 12,392.78

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Solution

The fourth proportional to 33,447.45, 50,172.25 and 12,392.78 is: 18,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,447.45 : 50,172.25 = 12,392.78 : x
  2. Step 2: Convert to fraction form
    33,447.45/50,172.25 = 12,392.78/x
  3. Step 3: Cross multiply
    33,447.45x = 50,172.25 × 12,392.78
  4. Step 4: Simplify right side
    33,447.45x = 621,773,499.94
  5. Step 5: Solve for x
    x = 621,773,499.94/33,447.45
  6. Step 6: Final answer
    x = 18,589.57

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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.