Home / 39,954.31-55,136.83-22,049.18

Finding the Fourth Proportional to 39,954.31, 55,136.83 and 22,049.18

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Solution

The fourth proportional to 39,954.31, 55,136.83 and 22,049.18 is: 30,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.31 : 55,136.83 = 22,049.18 : x
  2. Step 2: Convert to fraction form
    39,954.31/55,136.83 = 22,049.18/x
  3. Step 3: Cross multiply
    39,954.31x = 55,136.83 × 22,049.18
  4. Step 4: Simplify right side
    39,954.31x = 1,215,722,174.87
  5. Step 5: Solve for x
    x = 1,215,722,174.87/39,954.31
  6. Step 6: Final answer
    x = 30,427.81

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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.