Home / 31,732.38-43,795.35-18,301.02

Finding the Fourth Proportional to 31,732.38, 43,795.35 and 18,301.02

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Solution

The fourth proportional to 31,732.38, 43,795.35 and 18,301.02 is: 25,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,732.38 : 43,795.35 = 18,301.02 : x
  2. Step 2: Convert to fraction form
    31,732.38/43,795.35 = 18,301.02/x
  3. Step 3: Cross multiply
    31,732.38x = 43,795.35 × 18,301.02
  4. Step 4: Simplify right side
    31,732.38x = 801,499,576.26
  5. Step 5: Solve for x
    x = 801,499,576.26/31,732.38
  6. Step 6: Final answer
    x = 25,258.10

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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.