Home / 53,540.42-80,311.92-18,002.20

Finding the Fourth Proportional to 53,540.42, 80,311.92 and 18,002.20

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Solution

The fourth proportional to 53,540.42, 80,311.92 and 18,002.20 is: 27,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.42 : 80,311.92 = 18,002.20 : x
  2. Step 2: Convert to fraction form
    53,540.42/80,311.92 = 18,002.20/x
  3. Step 3: Cross multiply
    53,540.42x = 80,311.92 × 18,002.20
  4. Step 4: Simplify right side
    53,540.42x = 1,445,791,246.22
  5. Step 5: Solve for x
    x = 1,445,791,246.22/53,540.42
  6. Step 6: Final answer
    x = 27,003.73

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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.