Home / 38,513.56-52,982.20-31,424.44

Finding the Fourth Proportional to 38,513.56, 52,982.20 and 31,424.44

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Solution

The fourth proportional to 38,513.56, 52,982.20 and 31,424.44 is: 43,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,513.56 : 52,982.20 = 31,424.44 : x
  2. Step 2: Convert to fraction form
    38,513.56/52,982.20 = 31,424.44/x
  3. Step 3: Cross multiply
    38,513.56x = 52,982.20 × 31,424.44
  4. Step 4: Simplify right side
    38,513.56x = 1,664,935,964.97
  5. Step 5: Solve for x
    x = 1,664,935,964.97/38,513.56
  6. Step 6: Final answer
    x = 43,229.86

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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.