Home / 39,198.62-58,721.38-31,317.52

Finding the Fourth Proportional to 39,198.62, 58,721.38 and 31,317.52

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Solution

The fourth proportional to 39,198.62, 58,721.38 and 31,317.52 is: 46,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.62 : 58,721.38 = 31,317.52 : x
  2. Step 2: Convert to fraction form
    39,198.62/58,721.38 = 31,317.52/x
  3. Step 3: Cross multiply
    39,198.62x = 58,721.38 × 31,317.52
  4. Step 4: Simplify right side
    39,198.62x = 1,839,007,767.48
  5. Step 5: Solve for x
    x = 1,839,007,767.48/39,198.62
  6. Step 6: Final answer
    x = 46,915.12

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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.