Home / 39,227.31-54,133.47-22,231.53

Finding the Fourth Proportional to 39,227.31, 54,133.47 and 22,231.53

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Solution

The fourth proportional to 39,227.31, 54,133.47 and 22,231.53 is: 30,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.31 : 54,133.47 = 22,231.53 : x
  2. Step 2: Convert to fraction form
    39,227.31/54,133.47 = 22,231.53/x
  3. Step 3: Cross multiply
    39,227.31x = 54,133.47 × 22,231.53
  4. Step 4: Simplify right side
    39,227.31x = 1,203,469,862.31
  5. Step 5: Solve for x
    x = 1,203,469,862.31/39,227.31
  6. Step 6: Final answer
    x = 30,679.39

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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.