Home / 51,914.88-77,863.92-18,634.08

Finding the Fourth Proportional to 51,914.88, 77,863.92 and 18,634.08

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Solution

The fourth proportional to 51,914.88, 77,863.92 and 18,634.08 is: 27,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,914.88 : 77,863.92 = 18,634.08 : x
  2. Step 2: Convert to fraction form
    51,914.88/77,863.92 = 18,634.08/x
  3. Step 3: Cross multiply
    51,914.88x = 77,863.92 × 18,634.08
  4. Step 4: Simplify right side
    51,914.88x = 1,450,922,514.39
  5. Step 5: Solve for x
    x = 1,450,922,514.39/51,914.88
  6. Step 6: Final answer
    x = 27,948.10

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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.