Home / 69,697.20-104,549.79-19,773.38

Finding the Fourth Proportional to 69,697.20, 104,549.79 and 19,773.38

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Solution

The fourth proportional to 69,697.20, 104,549.79 and 19,773.38 is: 29,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,697.20 : 104,549.79 = 19,773.38 : x
  2. Step 2: Convert to fraction form
    69,697.20/104,549.79 = 19,773.38/x
  3. Step 3: Cross multiply
    69,697.20x = 104,549.79 × 19,773.38
  4. Step 4: Simplify right side
    69,697.20x = 2,067,302,203.84
  5. Step 5: Solve for x
    x = 2,067,302,203.84/69,697.20
  6. Step 6: Final answer
    x = 29,661.19

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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.