Home / 39,851.57-54,993.24-21,947.33

Finding the Fourth Proportional to 39,851.57, 54,993.24 and 21,947.33

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Solution

The fourth proportional to 39,851.57, 54,993.24 and 21,947.33 is: 30,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.57 : 54,993.24 = 21,947.33 : x
  2. Step 2: Convert to fraction form
    39,851.57/54,993.24 = 21,947.33/x
  3. Step 3: Cross multiply
    39,851.57x = 54,993.24 × 21,947.33
  4. Step 4: Simplify right side
    39,851.57x = 1,206,954,511.08
  5. Step 5: Solve for x
    x = 1,206,954,511.08/39,851.57
  6. Step 6: Final answer
    x = 30,286.25

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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.