Home / 39,837.66-54,974.91-21,932.81

Finding the Fourth Proportional to 39,837.66, 54,974.91 and 21,932.81

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Solution

The fourth proportional to 39,837.66, 54,974.91 and 21,932.81 is: 30,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.66 : 54,974.91 = 21,932.81 : x
  2. Step 2: Convert to fraction form
    39,837.66/54,974.91 = 21,932.81/x
  3. Step 3: Cross multiply
    39,837.66x = 54,974.91 × 21,932.81
  4. Step 4: Simplify right side
    39,837.66x = 1,205,753,871.26
  5. Step 5: Solve for x
    x = 1,205,753,871.26/39,837.66
  6. Step 6: Final answer
    x = 30,266.68

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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.