Home / 61,238.97-91,816.68-31,179.33

Finding the Fourth Proportional to 61,238.97, 91,816.68 and 31,179.33

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Solution

The fourth proportional to 61,238.97, 91,816.68 and 31,179.33 is: 46,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238.97 : 91,816.68 = 31,179.33 : x
  2. Step 2: Convert to fraction form
    61,238.97/91,816.68 = 31,179.33/x
  3. Step 3: Cross multiply
    61,238.97x = 91,816.68 × 31,179.33
  4. Step 4: Simplify right side
    61,238.97x = 2,862,782,565.22
  5. Step 5: Solve for x
    x = 2,862,782,565.22/61,238.97
  6. Step 6: Final answer
    x = 46,747.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.