Home / 36,418.08-54,640.26-12,729.14

Finding the Fourth Proportional to 36,418.08, 54,640.26 and 12,729.14

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Solution

The fourth proportional to 36,418.08, 54,640.26 and 12,729.14 is: 19,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.08 : 54,640.26 = 12,729.14 : x
  2. Step 2: Convert to fraction form
    36,418.08/54,640.26 = 12,729.14/x
  3. Step 3: Cross multiply
    36,418.08x = 54,640.26 × 12,729.14
  4. Step 4: Simplify right side
    36,418.08x = 695,523,245.98
  5. Step 5: Solve for x
    x = 695,523,245.98/36,418.08
  6. Step 6: Final answer
    x = 19,098.30

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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.