Home / 39,438.69-54,383.94-25,992.72

Finding the Fourth Proportional to 39,438.69, 54,383.94 and 25,992.72

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Solution

The fourth proportional to 39,438.69, 54,383.94 and 25,992.72 is: 35,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.69 : 54,383.94 = 25,992.72 : x
  2. Step 2: Convert to fraction form
    39,438.69/54,383.94 = 25,992.72/x
  3. Step 3: Cross multiply
    39,438.69x = 54,383.94 × 25,992.72
  4. Step 4: Simplify right side
    39,438.69x = 1,413,586,524.92
  5. Step 5: Solve for x
    x = 1,413,586,524.92/39,438.69
  6. Step 6: Final answer
    x = 35,842.63

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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.