Home / 36,147.43-49,883.45-20,231.88

Finding the Fourth Proportional to 36,147.43, 49,883.45 and 20,231.88

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Solution

The fourth proportional to 36,147.43, 49,883.45 and 20,231.88 is: 27,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.43 : 49,883.45 = 20,231.88 : x
  2. Step 2: Convert to fraction form
    36,147.43/49,883.45 = 20,231.88/x
  3. Step 3: Cross multiply
    36,147.43x = 49,883.45 × 20,231.88
  4. Step 4: Simplify right side
    36,147.43x = 1,009,235,873.23
  5. Step 5: Solve for x
    x = 1,009,235,873.23/36,147.43
  6. Step 6: Final answer
    x = 27,919.99

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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.