Home / 54,404.62-81,557.69-19,336.07

Finding the Fourth Proportional to 54,404.62, 81,557.69 and 19,336.07

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Solution

The fourth proportional to 54,404.62, 81,557.69 and 19,336.07 is: 28,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404.62 : 81,557.69 = 19,336.07 : x
  2. Step 2: Convert to fraction form
    54,404.62/81,557.69 = 19,336.07/x
  3. Step 3: Cross multiply
    54,404.62x = 81,557.69 × 19,336.07
  4. Step 4: Simplify right side
    54,404.62x = 1,577,005,310.09
  5. Step 5: Solve for x
    x = 1,577,005,310.09/54,404.62
  6. Step 6: Final answer
    x = 28,986.61

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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.