Home / 33,441.55-50,163.41-12,386.90

Finding the Fourth Proportional to 33,441.55, 50,163.41 and 12,386.90

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Solution

The fourth proportional to 33,441.55, 50,163.41 and 12,386.90 is: 18,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,441.55 : 50,163.41 = 12,386.90 : x
  2. Step 2: Convert to fraction form
    33,441.55/50,163.41 = 12,386.90/x
  3. Step 3: Cross multiply
    33,441.55x = 50,163.41 × 12,386.90
  4. Step 4: Simplify right side
    33,441.55x = 621,369,299.70
  5. Step 5: Solve for x
    x = 621,369,299.70/33,441.55
  6. Step 6: Final answer
    x = 18,580.76

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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.