Home / 39,396-54,371.03-21,935.08

Finding the Fourth Proportional to 39,396, 54,371.03 and 21,935.08

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Solution

The fourth proportional to 39,396, 54,371.03 and 21,935.08 is: 30,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,396 : 54,371.03 = 21,935.08 : x
  2. Step 2: Convert to fraction form
    39,396/54,371.03 = 21,935.08/x
  3. Step 3: Cross multiply
    39,396x = 54,371.03 × 21,935.08
  4. Step 4: Simplify right side
    39,396x = 1,192,633,015.53
  5. Step 5: Solve for x
    x = 1,192,633,015.53/39,396
  6. Step 6: Final answer
    x = 30,272.95

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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.