Home / 36,620.32-54,919.68-19,081.12

Finding the Fourth Proportional to 36,620.32, 54,919.68 and 19,081.12

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Solution

The fourth proportional to 36,620.32, 54,919.68 and 19,081.12 is: 28,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.32 : 54,919.68 = 19,081.12 : x
  2. Step 2: Convert to fraction form
    36,620.32/54,919.68 = 19,081.12/x
  3. Step 3: Cross multiply
    36,620.32x = 54,919.68 × 19,081.12
  4. Step 4: Simplify right side
    36,620.32x = 1,047,929,004.44
  5. Step 5: Solve for x
    x = 1,047,929,004.44/36,620.32
  6. Step 6: Final answer
    x = 28,616.05

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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.