Home / 39,910.57-55,076.97-22,006.29

Finding the Fourth Proportional to 39,910.57, 55,076.97 and 22,006.29

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Solution

The fourth proportional to 39,910.57, 55,076.97 and 22,006.29 is: 30,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.57 : 55,076.97 = 22,006.29 : x
  2. Step 2: Convert to fraction form
    39,910.57/55,076.97 = 22,006.29/x
  3. Step 3: Cross multiply
    39,910.57x = 55,076.97 × 22,006.29
  4. Step 4: Simplify right side
    39,910.57x = 1,212,039,774.14
  5. Step 5: Solve for x
    x = 1,212,039,774.14/39,910.57
  6. Step 6: Final answer
    x = 30,368.89

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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.