Home / 39,801.38-54,926.73-21,896.42

Finding the Fourth Proportional to 39,801.38, 54,926.73 and 21,896.42

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Solution

The fourth proportional to 39,801.38, 54,926.73 and 21,896.42 is: 30,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.38 : 54,926.73 = 21,896.42 : x
  2. Step 2: Convert to fraction form
    39,801.38/54,926.73 = 21,896.42/x
  3. Step 3: Cross multiply
    39,801.38x = 54,926.73 × 21,896.42
  4. Step 4: Simplify right side
    39,801.38x = 1,202,698,749.31
  5. Step 5: Solve for x
    x = 1,202,698,749.31/39,801.38
  6. Step 6: Final answer
    x = 30,217.51

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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.