Home / 39,067.98-53,913.87-21,163.14

Finding the Fourth Proportional to 39,067.98, 53,913.87 and 21,163.14

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Solution

The fourth proportional to 39,067.98, 53,913.87 and 21,163.14 is: 29,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,067.98 : 53,913.87 = 21,163.14 : x
  2. Step 2: Convert to fraction form
    39,067.98/53,913.87 = 21,163.14/x
  3. Step 3: Cross multiply
    39,067.98x = 53,913.87 × 21,163.14
  4. Step 4: Simplify right side
    39,067.98x = 1,140,986,778.75
  5. Step 5: Solve for x
    x = 1,140,986,778.75/39,067.98
  6. Step 6: Final answer
    x = 29,205.16

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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.