Home / 37,191.50-55,790.79-12,231.75

Finding the Fourth Proportional to 37,191.50, 55,790.79 and 12,231.75

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Solution

The fourth proportional to 37,191.50, 55,790.79 and 12,231.75 is: 18,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.50 : 55,790.79 = 12,231.75 : x
  2. Step 2: Convert to fraction form
    37,191.50/55,790.79 = 12,231.75/x
  3. Step 3: Cross multiply
    37,191.50x = 55,790.79 × 12,231.75
  4. Step 4: Simplify right side
    37,191.50x = 682,418,995.58
  5. Step 5: Solve for x
    x = 682,418,995.58/37,191.50
  6. Step 6: Final answer
    x = 18,348.79

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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.