Home / 39,837.29-54,974.39-21,932.43

Finding the Fourth Proportional to 39,837.29, 54,974.39 and 21,932.43

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Solution

The fourth proportional to 39,837.29, 54,974.39 and 21,932.43 is: 30,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.29 : 54,974.39 = 21,932.43 : x
  2. Step 2: Convert to fraction form
    39,837.29/54,974.39 = 21,932.43/x
  3. Step 3: Cross multiply
    39,837.29x = 54,974.39 × 21,932.43
  4. Step 4: Simplify right side
    39,837.29x = 1,205,721,685.60
  5. Step 5: Solve for x
    x = 1,205,721,685.60/39,837.29
  6. Step 6: Final answer
    x = 30,266.16

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1.5x scale

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.