Home / 31,471.18-43,430.25-17,324.26

Finding the Fourth Proportional to 31,471.18, 43,430.25 and 17,324.26

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Solution

The fourth proportional to 31,471.18, 43,430.25 and 17,324.26 is: 23,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.18 : 43,430.25 = 17,324.26 : x
  2. Step 2: Convert to fraction form
    31,471.18/43,430.25 = 17,324.26/x
  3. Step 3: Cross multiply
    31,471.18x = 43,430.25 × 17,324.26
  4. Step 4: Simplify right side
    31,471.18x = 752,396,942.87
  5. Step 5: Solve for x
    x = 752,396,942.87/31,471.18
  6. Step 6: Final answer
    x = 23,907.49

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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.