Home / 36,117.20-54,162.33-12,418.04

Finding the Fourth Proportional to 36,117.20, 54,162.33 and 12,418.04

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Solution

The fourth proportional to 36,117.20, 54,162.33 and 12,418.04 is: 18,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.20 : 54,162.33 = 12,418.04 : x
  2. Step 2: Convert to fraction form
    36,117.20/54,162.33 = 12,418.04/x
  3. Step 3: Cross multiply
    36,117.20x = 54,162.33 × 12,418.04
  4. Step 4: Simplify right side
    36,117.20x = 672,589,980.43
  5. Step 5: Solve for x
    x = 672,589,980.43/36,117.20
  6. Step 6: Final answer
    x = 18,622.43

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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.