Home / 36,788.16-50,768.32-20,021.44

Finding the Fourth Proportional to 36,788.16, 50,768.32 and 20,021.44

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Solution

The fourth proportional to 36,788.16, 50,768.32 and 20,021.44 is: 27,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.16 : 50,768.32 = 20,021.44 : x
  2. Step 2: Convert to fraction form
    36,788.16/50,768.32 = 20,021.44/x
  3. Step 3: Cross multiply
    36,788.16x = 50,768.32 × 20,021.44
  4. Step 4: Simplify right side
    36,788.16x = 1,016,454,872.78
  5. Step 5: Solve for x
    x = 1,016,454,872.78/36,788.16
  6. Step 6: Final answer
    x = 27,629.95

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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.