Home / 39,974.33-55,163.71-21,824.43

Finding the Fourth Proportional to 39,974.33, 55,163.71 and 21,824.43

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Solution

The fourth proportional to 39,974.33, 55,163.71 and 21,824.43 is: 30,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.33 : 55,163.71 = 21,824.43 : x
  2. Step 2: Convert to fraction form
    39,974.33/55,163.71 = 21,824.43/x
  3. Step 3: Cross multiply
    39,974.33x = 55,163.71 × 21,824.43
  4. Step 4: Simplify right side
    39,974.33x = 1,203,916,527.44
  5. Step 5: Solve for x
    x = 1,203,916,527.44/39,974.33
  6. Step 6: Final answer
    x = 30,117.24

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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.