Home / 36,321.83-50,121.06-20,189.60

Finding the Fourth Proportional to 36,321.83, 50,121.06 and 20,189.60

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Solution

The fourth proportional to 36,321.83, 50,121.06 and 20,189.60 is: 27,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.83 : 50,121.06 = 20,189.60 : x
  2. Step 2: Convert to fraction form
    36,321.83/50,121.06 = 20,189.60/x
  3. Step 3: Cross multiply
    36,321.83x = 50,121.06 × 20,189.60
  4. Step 4: Simplify right side
    36,321.83x = 1,011,924,152.98
  5. Step 5: Solve for x
    x = 1,011,924,152.98/36,321.83
  6. Step 6: Final answer
    x = 27,859.94

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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.