Home / 48,979.49-73,399.97-20,871.27

Finding the Fourth Proportional to 48,979.49, 73,399.97 and 20,871.27

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Solution

The fourth proportional to 48,979.49, 73,399.97 and 20,871.27 is: 31,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.49 : 73,399.97 = 20,871.27 : x
  2. Step 2: Convert to fraction form
    48,979.49/73,399.97 = 20,871.27/x
  3. Step 3: Cross multiply
    48,979.49x = 73,399.97 × 20,871.27
  4. Step 4: Simplify right side
    48,979.49x = 1,531,950,644.04
  5. Step 5: Solve for x
    x = 1,531,950,644.04/48,979.49
  6. Step 6: Final answer
    x = 31,277.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.