Home / 36,338.14-50,144.34-20,422.36

Finding the Fourth Proportional to 36,338.14, 50,144.34 and 20,422.36

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Solution

The fourth proportional to 36,338.14, 50,144.34 and 20,422.36 is: 28,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,338.14 : 50,144.34 = 20,422.36 : x
  2. Step 2: Convert to fraction form
    36,338.14/50,144.34 = 20,422.36/x
  3. Step 3: Cross multiply
    36,338.14x = 50,144.34 × 20,422.36
  4. Step 4: Simplify right side
    36,338.14x = 1,024,065,763.44
  5. Step 5: Solve for x
    x = 1,024,065,763.44/36,338.14
  6. Step 6: Final answer
    x = 28,181.57

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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.