Home / 69,544.08-104,315.04-27,990

Finding the Fourth Proportional to 69,544.08, 104,315.04 and 27,990

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Solution

The fourth proportional to 69,544.08, 104,315.04 and 27,990 is: 41,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,544.08 : 104,315.04 = 27,990 : x
  2. Step 2: Convert to fraction form
    69,544.08/104,315.04 = 27,990/x
  3. Step 3: Cross multiply
    69,544.08x = 104,315.04 × 27,990
  4. Step 4: Simplify right side
    69,544.08x = 2,919,777,969.60
  5. Step 5: Solve for x
    x = 2,919,777,969.60/69,544.08
  6. Step 6: Final answer
    x = 41,984.57

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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.