Home / 39,137.25-54,009.41-22,370.61

Finding the Fourth Proportional to 39,137.25, 54,009.41 and 22,370.61

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Solution

The fourth proportional to 39,137.25, 54,009.41 and 22,370.61 is: 30,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.25 : 54,009.41 = 22,370.61 : x
  2. Step 2: Convert to fraction form
    39,137.25/54,009.41 = 22,370.61/x
  3. Step 3: Cross multiply
    39,137.25x = 54,009.41 × 22,370.61
  4. Step 4: Simplify right side
    39,137.25x = 1,208,223,335.59
  5. Step 5: Solve for x
    x = 1,208,223,335.59/39,137.25
  6. Step 6: Final answer
    x = 30,871.44

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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.