Home / 33,439.28-50,165.48-12,379.48

Finding the Fourth Proportional to 33,439.28, 50,165.48 and 12,379.48

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Solution

The fourth proportional to 33,439.28, 50,165.48 and 12,379.48 is: 18,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,439.28 : 50,165.48 = 12,379.48 : x
  2. Step 2: Convert to fraction form
    33,439.28/50,165.48 = 12,379.48/x
  3. Step 3: Cross multiply
    33,439.28x = 50,165.48 × 12,379.48
  4. Step 4: Simplify right side
    33,439.28x = 621,022,674.43
  5. Step 5: Solve for x
    x = 621,022,674.43/33,439.28
  6. Step 6: Final answer
    x = 18,571.65

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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.