Home / 69,853.47-104,781.17-19,933.56

Finding the Fourth Proportional to 69,853.47, 104,781.17 and 19,933.56

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Solution

The fourth proportional to 69,853.47, 104,781.17 and 19,933.56 is: 29,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,853.47 : 104,781.17 = 19,933.56 : x
  2. Step 2: Convert to fraction form
    69,853.47/104,781.17 = 19,933.56/x
  3. Step 3: Cross multiply
    69,853.47x = 104,781.17 × 19,933.56
  4. Step 4: Simplify right side
    69,853.47x = 2,088,661,739.07
  5. Step 5: Solve for x
    x = 2,088,661,739.07/69,853.47
  6. Step 6: Final answer
    x = 29,900.62

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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.