Home / 39,871.71-55,016.96-22,641.39

Finding the Fourth Proportional to 39,871.71, 55,016.96 and 22,641.39

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Solution

The fourth proportional to 39,871.71, 55,016.96 and 22,641.39 is: 31,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.71 : 55,016.96 = 22,641.39 : x
  2. Step 2: Convert to fraction form
    39,871.71/55,016.96 = 22,641.39/x
  3. Step 3: Cross multiply
    39,871.71x = 55,016.96 × 22,641.39
  4. Step 4: Simplify right side
    39,871.71x = 1,245,660,334.77
  5. Step 5: Solve for x
    x = 1,245,660,334.77/39,871.71
  6. Step 6: Final answer
    x = 31,241.71

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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.