Home / 36,321.32-50,120.37-20,189.09

Finding the Fourth Proportional to 36,321.32, 50,120.37 and 20,189.09

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Solution

The fourth proportional to 36,321.32, 50,120.37 and 20,189.09 is: 27,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.32 : 50,120.37 = 20,189.09 : x
  2. Step 2: Convert to fraction form
    36,321.32/50,120.37 = 20,189.09/x
  3. Step 3: Cross multiply
    36,321.32x = 50,120.37 × 20,189.09
  4. Step 4: Simplify right side
    36,321.32x = 1,011,884,410.16
  5. Step 5: Solve for x
    x = 1,011,884,410.16/36,321.32
  6. Step 6: Final answer
    x = 27,859.24

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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.