Home / 36,399.80-54,512.02-20,770.04

Finding the Fourth Proportional to 36,399.80, 54,512.02 and 20,770.04

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Solution

The fourth proportional to 36,399.80, 54,512.02 and 20,770.04 is: 31,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.80 : 54,512.02 = 20,770.04 : x
  2. Step 2: Convert to fraction form
    36,399.80/54,512.02 = 20,770.04/x
  3. Step 3: Cross multiply
    36,399.80x = 54,512.02 × 20,770.04
  4. Step 4: Simplify right side
    36,399.80x = 1,132,216,835.88
  5. Step 5: Solve for x
    x = 1,132,216,835.88/36,399.80
  6. Step 6: Final answer
    x = 31,105.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.