Home / 36,797.72-55,163.30-13,418.68

Finding the Fourth Proportional to 36,797.72, 55,163.30 and 13,418.68

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Solution

The fourth proportional to 36,797.72, 55,163.30 and 13,418.68 is: 20,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,797.72 : 55,163.30 = 13,418.68 : x
  2. Step 2: Convert to fraction form
    36,797.72/55,163.30 = 13,418.68/x
  3. Step 3: Cross multiply
    36,797.72x = 55,163.30 × 13,418.68
  4. Step 4: Simplify right side
    36,797.72x = 740,218,670.44
  5. Step 5: Solve for x
    x = 740,218,670.44/36,797.72
  6. Step 6: Final answer
    x = 20,115.88

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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.