Home / 39,836.73-54,975.05-21,932.13

Finding the Fourth Proportional to 39,836.73, 54,975.05 and 21,932.13

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Solution

The fourth proportional to 39,836.73, 54,975.05 and 21,932.13 is: 30,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,836.73 : 54,975.05 = 21,932.13 : x
  2. Step 2: Convert to fraction form
    39,836.73/54,975.05 = 21,932.13/x
  3. Step 3: Cross multiply
    39,836.73x = 54,975.05 × 21,932.13
  4. Step 4: Simplify right side
    39,836.73x = 1,205,719,943.36
  5. Step 5: Solve for x
    x = 1,205,719,943.36/39,836.73
  6. Step 6: Final answer
    x = 30,266.54

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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.