Home / 69,816.41-104,708.84-19,895.43

Finding the Fourth Proportional to 69,816.41, 104,708.84 and 19,895.43

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Solution

The fourth proportional to 69,816.41, 104,708.84 and 19,895.43 is: 29,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,816.41 : 104,708.84 = 19,895.43 : x
  2. Step 2: Convert to fraction form
    69,816.41/104,708.84 = 19,895.43/x
  3. Step 3: Cross multiply
    69,816.41x = 104,708.84 × 19,895.43
  4. Step 4: Simplify right side
    69,816.41x = 2,083,227,297.12
  5. Step 5: Solve for x
    x = 2,083,227,297.12/69,816.41
  6. Step 6: Final answer
    x = 29,838.65

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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.