Home / 69,319.14-103,974.61-19,398.13

Finding the Fourth Proportional to 69,319.14, 103,974.61 and 19,398.13

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Solution

The fourth proportional to 69,319.14, 103,974.61 and 19,398.13 is: 29,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,319.14 : 103,974.61 = 19,398.13 : x
  2. Step 2: Convert to fraction form
    69,319.14/103,974.61 = 19,398.13/x
  3. Step 3: Cross multiply
    69,319.14x = 103,974.61 × 19,398.13
  4. Step 4: Simplify right side
    69,319.14x = 2,016,913,324.22
  5. Step 5: Solve for x
    x = 2,016,913,324.22/69,319.14
  6. Step 6: Final answer
    x = 29,096.05

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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.