Home / 47,982.80-71,974.92-18,402.32

Finding the Fourth Proportional to 47,982.80, 71,974.92 and 18,402.32

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Solution

The fourth proportional to 47,982.80, 71,974.92 and 18,402.32 is: 27,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.80 : 71,974.92 = 18,402.32 : x
  2. Step 2: Convert to fraction form
    47,982.80/71,974.92 = 18,402.32/x
  3. Step 3: Cross multiply
    47,982.80x = 71,974.92 × 18,402.32
  4. Step 4: Simplify right side
    47,982.80x = 1,324,505,509.81
  5. Step 5: Solve for x
    x = 1,324,505,509.81/47,982.80
  6. Step 6: Final answer
    x = 27,603.76

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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.