Home / 31,171.50-43,016.90-17,025.26

Finding the Fourth Proportional to 31,171.50, 43,016.90 and 17,025.26

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Solution

The fourth proportional to 31,171.50, 43,016.90 and 17,025.26 is: 23,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.50 : 43,016.90 = 17,025.26 : x
  2. Step 2: Convert to fraction form
    31,171.50/43,016.90 = 17,025.26/x
  3. Step 3: Cross multiply
    31,171.50x = 43,016.90 × 17,025.26
  4. Step 4: Simplify right side
    31,171.50x = 732,373,606.68
  5. Step 5: Solve for x
    x = 732,373,606.68/31,171.50
  6. Step 6: Final answer
    x = 23,494.97

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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.