Home / 36,321.92-50,121.55-20,409.02

Finding the Fourth Proportional to 36,321.92, 50,121.55 and 20,409.02

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Solution

The fourth proportional to 36,321.92, 50,121.55 and 20,409.02 is: 28,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.92 : 50,121.55 = 20,409.02 : x
  2. Step 2: Convert to fraction form
    36,321.92/50,121.55 = 20,409.02/x
  3. Step 3: Cross multiply
    36,321.92x = 50,121.55 × 20,409.02
  4. Step 4: Simplify right side
    36,321.92x = 1,022,931,716.38
  5. Step 5: Solve for x
    x = 1,022,931,716.38/36,321.92
  6. Step 6: Final answer
    x = 28,162.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.