Home / 33,441.75-50,163.69-12,387.09

Finding the Fourth Proportional to 33,441.75, 50,163.69 and 12,387.09

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Solution

The fourth proportional to 33,441.75, 50,163.69 and 12,387.09 is: 18,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,441.75 : 50,163.69 = 12,387.09 : x
  2. Step 2: Convert to fraction form
    33,441.75/50,163.69 = 12,387.09/x
  3. Step 3: Cross multiply
    33,441.75x = 50,163.69 × 12,387.09
  4. Step 4: Simplify right side
    33,441.75x = 621,382,142.76
  5. Step 5: Solve for x
    x = 621,382,142.76/33,441.75
  6. Step 6: Final answer
    x = 18,581.03

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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.