Home / 36,311.55-50,109.76-20,181.50

Finding the Fourth Proportional to 36,311.55, 50,109.76 and 20,181.50

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Solution

The fourth proportional to 36,311.55, 50,109.76 and 20,181.50 is: 27,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.55 : 50,109.76 = 20,181.50 : x
  2. Step 2: Convert to fraction form
    36,311.55/50,109.76 = 20,181.50/x
  3. Step 3: Cross multiply
    36,311.55x = 50,109.76 × 20,181.50
  4. Step 4: Simplify right side
    36,311.55x = 1,011,290,121.44
  5. Step 5: Solve for x
    x = 1,011,290,121.44/36,311.55
  6. Step 6: Final answer
    x = 27,850.37

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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.