Home / 39,219.36-54,127.44-22,452

Finding the Fourth Proportional to 39,219.36, 54,127.44 and 22,452

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Solution

The fourth proportional to 39,219.36, 54,127.44 and 22,452 is: 30,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.36 : 54,127.44 = 22,452 : x
  2. Step 2: Convert to fraction form
    39,219.36/54,127.44 = 22,452/x
  3. Step 3: Cross multiply
    39,219.36x = 54,127.44 × 22,452
  4. Step 4: Simplify right side
    39,219.36x = 1,215,269,282.88
  5. Step 5: Solve for x
    x = 1,215,269,282.88/39,219.36
  6. Step 6: Final answer
    x = 30,986.46

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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.