Home / 33,520.09-50,298.60-20,381.69

Finding the Fourth Proportional to 33,520.09, 50,298.60 and 20,381.69

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Solution

The fourth proportional to 33,520.09, 50,298.60 and 20,381.69 is: 30,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,520.09 : 50,298.60 = 20,381.69 : x
  2. Step 2: Convert to fraction form
    33,520.09/50,298.60 = 20,381.69/x
  3. Step 3: Cross multiply
    33,520.09x = 50,298.60 × 20,381.69
  4. Step 4: Simplify right side
    33,520.09x = 1,025,170,221.14
  5. Step 5: Solve for x
    x = 1,025,170,221.14/33,520.09
  6. Step 6: Final answer
    x = 30,583.76

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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.