Home / 39,972.60-55,161.47-22,067.23

Finding the Fourth Proportional to 39,972.60, 55,161.47 and 22,067.23

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Solution

The fourth proportional to 39,972.60, 55,161.47 and 22,067.23 is: 30,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.60 : 55,161.47 = 22,067.23 : x
  2. Step 2: Convert to fraction form
    39,972.60/55,161.47 = 22,067.23/x
  3. Step 3: Cross multiply
    39,972.60x = 55,161.47 × 22,067.23
  4. Step 4: Simplify right side
    39,972.60x = 1,217,260,569.82
  5. Step 5: Solve for x
    x = 1,217,260,569.82/39,972.60
  6. Step 6: Final answer
    x = 30,452.37

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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.