Home / 69,982.64-104,942.37-20,051.30

Finding the Fourth Proportional to 69,982.64, 104,942.37 and 20,051.30

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Solution

The fourth proportional to 69,982.64, 104,942.37 and 20,051.30 is: 30,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,982.64 : 104,942.37 = 20,051.30 : x
  2. Step 2: Convert to fraction form
    69,982.64/104,942.37 = 20,051.30/x
  3. Step 3: Cross multiply
    69,982.64x = 104,942.37 × 20,051.30
  4. Step 4: Simplify right side
    69,982.64x = 2,104,230,943.58
  5. Step 5: Solve for x
    x = 2,104,230,943.58/69,982.64
  6. Step 6: Final answer
    x = 30,067.90

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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.