Home / 36,540.24-50,421.96-20,622

Finding the Fourth Proportional to 36,540.24, 50,421.96 and 20,622

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Solution

The fourth proportional to 36,540.24, 50,421.96 and 20,622 is: 28,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.24 : 50,421.96 = 20,622 : x
  2. Step 2: Convert to fraction form
    36,540.24/50,421.96 = 20,622/x
  3. Step 3: Cross multiply
    36,540.24x = 50,421.96 × 20,622
  4. Step 4: Simplify right side
    36,540.24x = 1,039,801,659.12
  5. Step 5: Solve for x
    x = 1,039,801,659.12/36,540.24
  6. Step 6: Final answer
    x = 28,456.34

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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.