Home / 69,891.64-104,853.66-19,972.42

Finding the Fourth Proportional to 69,891.64, 104,853.66 and 19,972.42

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Solution

The fourth proportional to 69,891.64, 104,853.66 and 19,972.42 is: 29,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,891.64 : 104,853.66 = 19,972.42 : x
  2. Step 2: Convert to fraction form
    69,891.64/104,853.66 = 19,972.42/x
  3. Step 3: Cross multiply
    69,891.64x = 104,853.66 × 19,972.42
  4. Step 4: Simplify right side
    69,891.64x = 2,094,181,336.06
  5. Step 5: Solve for x
    x = 2,094,181,336.06/69,891.64
  6. Step 6: Final answer
    x = 29,963.26

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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.