Home / 33,520.21-50,301.49-18,738.83

Finding the Fourth Proportional to 33,520.21, 50,301.49 and 18,738.83

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Solution

The fourth proportional to 33,520.21, 50,301.49 and 18,738.83 is: 28,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,520.21 : 50,301.49 = 18,738.83 : x
  2. Step 2: Convert to fraction form
    33,520.21/50,301.49 = 18,738.83/x
  3. Step 3: Cross multiply
    33,520.21x = 50,301.49 × 18,738.83
  4. Step 4: Simplify right side
    33,520.21x = 942,591,069.86
  5. Step 5: Solve for x
    x = 942,591,069.86/33,520.21
  6. Step 6: Final answer
    x = 28,120.08

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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.