Home / 36,408.38-50,238.09-20,492.51

Finding the Fourth Proportional to 36,408.38, 50,238.09 and 20,492.51

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Solution

The fourth proportional to 36,408.38, 50,238.09 and 20,492.51 is: 28,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.38 : 50,238.09 = 20,492.51 : x
  2. Step 2: Convert to fraction form
    36,408.38/50,238.09 = 20,492.51/x
  3. Step 3: Cross multiply
    36,408.38x = 50,238.09 × 20,492.51
  4. Step 4: Simplify right side
    36,408.38x = 1,029,504,310.52
  5. Step 5: Solve for x
    x = 1,029,504,310.52/36,408.38
  6. Step 6: Final answer
    x = 28,276.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.