Home / 39,745.54-54,852.69-22,751.18

Finding the Fourth Proportional to 39,745.54, 54,852.69 and 22,751.18

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Solution

The fourth proportional to 39,745.54, 54,852.69 and 22,751.18 is: 31,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.54 : 54,852.69 = 22,751.18 : x
  2. Step 2: Convert to fraction form
    39,745.54/54,852.69 = 22,751.18/x
  3. Step 3: Cross multiply
    39,745.54x = 54,852.69 × 22,751.18
  4. Step 4: Simplify right side
    39,745.54x = 1,247,963,440.43
  5. Step 5: Solve for x
    x = 1,247,963,440.43/39,745.54
  6. Step 6: Final answer
    x = 31,398.83

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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.