Home / 39,650.59-54,716.56-21,745.27

Finding the Fourth Proportional to 39,650.59, 54,716.56 and 21,745.27

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Solution

The fourth proportional to 39,650.59, 54,716.56 and 21,745.27 is: 30,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,650.59 : 54,716.56 = 21,745.27 : x
  2. Step 2: Convert to fraction form
    39,650.59/54,716.56 = 21,745.27/x
  3. Step 3: Cross multiply
    39,650.59x = 54,716.56 × 21,745.27
  4. Step 4: Simplify right side
    39,650.59x = 1,189,826,370.67
  5. Step 5: Solve for x
    x = 1,189,826,370.67/39,650.59
  6. Step 6: Final answer
    x = 30,007.78

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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.