Home / 39,199.71-54,083.67-22,201.25

Finding the Fourth Proportional to 39,199.71, 54,083.67 and 22,201.25

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Solution

The fourth proportional to 39,199.71, 54,083.67 and 22,201.25 is: 30,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.71 : 54,083.67 = 22,201.25 : x
  2. Step 2: Convert to fraction form
    39,199.71/54,083.67 = 22,201.25/x
  3. Step 3: Cross multiply
    39,199.71x = 54,083.67 × 22,201.25
  4. Step 4: Simplify right side
    39,199.71x = 1,200,725,078.59
  5. Step 5: Solve for x
    x = 1,200,725,078.59/39,199.71
  6. Step 6: Final answer
    x = 30,630.97

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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.