Home / 36,418.38-50,107.08-28,446.78

Finding the Fourth Proportional to 36,418.38, 50,107.08 and 28,446.78

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Solution

The fourth proportional to 36,418.38, 50,107.08 and 28,446.78 is: 39,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.38 : 50,107.08 = 28,446.78 : x
  2. Step 2: Convert to fraction form
    36,418.38/50,107.08 = 28,446.78/x
  3. Step 3: Cross multiply
    36,418.38x = 50,107.08 × 28,446.78
  4. Step 4: Simplify right side
    36,418.38x = 1,425,385,081.20
  5. Step 5: Solve for x
    x = 1,425,385,081.20/36,418.38
  6. Step 6: Final answer
    x = 39,139.17

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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.