Home / 39,653.20-54,716.36-22,658.54

Finding the Fourth Proportional to 39,653.20, 54,716.36 and 22,658.54

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Solution

The fourth proportional to 39,653.20, 54,716.36 and 22,658.54 is: 31,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,653.20 : 54,716.36 = 22,658.54 : x
  2. Step 2: Convert to fraction form
    39,653.20/54,716.36 = 22,658.54/x
  3. Step 3: Cross multiply
    39,653.20x = 54,716.36 × 22,658.54
  4. Step 4: Simplify right side
    39,653.20x = 1,239,792,614.78
  5. Step 5: Solve for x
    x = 1,239,792,614.78/39,653.20
  6. Step 6: Final answer
    x = 31,265.89

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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.