Home / 36,131.24-49,856.34-20,213.96

Finding the Fourth Proportional to 36,131.24, 49,856.34 and 20,213.96

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Solution

The fourth proportional to 36,131.24, 49,856.34 and 20,213.96 is: 27,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.24 : 49,856.34 = 20,213.96 : x
  2. Step 2: Convert to fraction form
    36,131.24/49,856.34 = 20,213.96/x
  3. Step 3: Cross multiply
    36,131.24x = 49,856.34 × 20,213.96
  4. Step 4: Simplify right side
    36,131.24x = 1,007,794,062.51
  5. Step 5: Solve for x
    x = 1,007,794,062.51/36,131.24
  6. Step 6: Final answer
    x = 27,892.60

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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.