Home / 39,871.59-55,023.89-22,877.25

Finding the Fourth Proportional to 39,871.59, 55,023.89 and 22,877.25

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Solution

The fourth proportional to 39,871.59, 55,023.89 and 22,877.25 is: 31,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.59 : 55,023.89 = 22,877.25 : x
  2. Step 2: Convert to fraction form
    39,871.59/55,023.89 = 22,877.25/x
  3. Step 3: Cross multiply
    39,871.59x = 55,023.89 × 22,877.25
  4. Step 4: Simplify right side
    39,871.59x = 1,258,795,173.12
  5. Step 5: Solve for x
    x = 1,258,795,173.12/39,871.59
  6. Step 6: Final answer
    x = 31,571.23

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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.