Home / 31,243.36-43,115.78-17,096.20

Finding the Fourth Proportional to 31,243.36, 43,115.78 and 17,096.20

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Solution

The fourth proportional to 31,243.36, 43,115.78 and 17,096.20 is: 23,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.36 : 43,115.78 = 17,096.20 : x
  2. Step 2: Convert to fraction form
    31,243.36/43,115.78 = 17,096.20/x
  3. Step 3: Cross multiply
    31,243.36x = 43,115.78 × 17,096.20
  4. Step 4: Simplify right side
    31,243.36x = 737,115,998.04
  5. Step 5: Solve for x
    x = 737,115,998.04/31,243.36
  6. Step 6: Final answer
    x = 23,592.72

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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.