Home / 36,108.14-54,146.72-12,418.07

Finding the Fourth Proportional to 36,108.14, 54,146.72 and 12,418.07

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Solution

The fourth proportional to 36,108.14, 54,146.72 and 12,418.07 is: 18,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.14 : 54,146.72 = 12,418.07 : x
  2. Step 2: Convert to fraction form
    36,108.14/54,146.72 = 12,418.07/x
  3. Step 3: Cross multiply
    36,108.14x = 54,146.72 × 12,418.07
  4. Step 4: Simplify right side
    36,108.14x = 672,397,759.23
  5. Step 5: Solve for x
    x = 672,397,759.23/36,108.14
  6. Step 6: Final answer
    x = 18,621.78

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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.