Home / 39,866.34-55,015.83-22,871.33

Finding the Fourth Proportional to 39,866.34, 55,015.83 and 22,871.33

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Solution

The fourth proportional to 39,866.34, 55,015.83 and 22,871.33 is: 31,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866.34 : 55,015.83 = 22,871.33 : x
  2. Step 2: Convert to fraction form
    39,866.34/55,015.83 = 22,871.33/x
  3. Step 3: Cross multiply
    39,866.34x = 55,015.83 × 22,871.33
  4. Step 4: Simplify right side
    39,866.34x = 1,258,285,203.15
  5. Step 5: Solve for x
    x = 1,258,285,203.15/39,866.34
  6. Step 6: Final answer
    x = 31,562.60

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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.