Home / 36,108.14-54,146.72-12,418.08

Finding the Fourth Proportional to 36,108.14, 54,146.72 and 12,418.08

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Solution

The fourth proportional to 36,108.14, 54,146.72 and 12,418.08 is: 18,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.14 : 54,146.72 = 12,418.08 : x
  2. Step 2: Convert to fraction form
    36,108.14/54,146.72 = 12,418.08/x
  3. Step 3: Cross multiply
    36,108.14x = 54,146.72 × 12,418.08
  4. Step 4: Simplify right side
    36,108.14x = 672,398,300.70
  5. Step 5: Solve for x
    x = 672,398,300.70/36,108.14
  6. Step 6: Final answer
    x = 18,621.79

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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.