Home / 36,100.20-54,150.30-30,397.80

Finding the Fourth Proportional to 36,100.20, 54,150.30 and 30,397.80

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Solution

The fourth proportional to 36,100.20, 54,150.30 and 30,397.80 is: 45,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.20 : 54,150.30 = 30,397.80 : x
  2. Step 2: Convert to fraction form
    36,100.20/54,150.30 = 30,397.80/x
  3. Step 3: Cross multiply
    36,100.20x = 54,150.30 × 30,397.80
  4. Step 4: Simplify right side
    36,100.20x = 1,646,049,989.34
  5. Step 5: Solve for x
    x = 1,646,049,989.34/36,100.20
  6. Step 6: Final answer
    x = 45,596.70

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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.