Home / 36,338.28-50,145.24-20,422.36

Finding the Fourth Proportional to 36,338.28, 50,145.24 and 20,422.36

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Solution

The fourth proportional to 36,338.28, 50,145.24 and 20,422.36 is: 28,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,338.28 : 50,145.24 = 20,422.36 : x
  2. Step 2: Convert to fraction form
    36,338.28/50,145.24 = 20,422.36/x
  3. Step 3: Cross multiply
    36,338.28x = 50,145.24 × 20,422.36
  4. Step 4: Simplify right side
    36,338.28x = 1,024,084,143.57
  5. Step 5: Solve for x
    x = 1,024,084,143.57/36,338.28
  6. Step 6: Final answer
    x = 28,181.97

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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.