Home / 31,338.43-43,247.71-17,191.27

Finding the Fourth Proportional to 31,338.43, 43,247.71 and 17,191.27

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Solution

The fourth proportional to 31,338.43, 43,247.71 and 17,191.27 is: 23,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338.43 : 43,247.71 = 17,191.27 : x
  2. Step 2: Convert to fraction form
    31,338.43/43,247.71 = 17,191.27/x
  3. Step 3: Cross multiply
    31,338.43x = 43,247.71 × 17,191.27
  4. Step 4: Simplify right side
    31,338.43x = 743,483,135.04
  5. Step 5: Solve for x
    x = 743,483,135.04/31,338.43
  6. Step 6: Final answer
    x = 23,724.33

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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.