Home / 39,744.56-54,851.32-22,745.42

Finding the Fourth Proportional to 39,744.56, 54,851.32 and 22,745.42

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Solution

The fourth proportional to 39,744.56, 54,851.32 and 22,745.42 is: 31,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744.56 : 54,851.32 = 22,745.42 : x
  2. Step 2: Convert to fraction form
    39,744.56/54,851.32 = 22,745.42/x
  3. Step 3: Cross multiply
    39,744.56x = 54,851.32 × 22,745.42
  4. Step 4: Simplify right side
    39,744.56x = 1,247,615,979.83
  5. Step 5: Solve for x
    x = 1,247,615,979.83/39,744.56
  6. Step 6: Final answer
    x = 31,390.86

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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.