Home / 38,255.38-52,777.31-22,119.75

Finding the Fourth Proportional to 38,255.38, 52,777.31 and 22,119.75

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Solution

The fourth proportional to 38,255.38, 52,777.31 and 22,119.75 is: 30,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.38 : 52,777.31 = 22,119.75 : x
  2. Step 2: Convert to fraction form
    38,255.38/52,777.31 = 22,119.75/x
  3. Step 3: Cross multiply
    38,255.38x = 52,777.31 × 22,119.75
  4. Step 4: Simplify right side
    38,255.38x = 1,167,420,902.87
  5. Step 5: Solve for x
    x = 1,167,420,902.87/38,255.38
  6. Step 6: Final answer
    x = 30,516.52

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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.