Home / 34,998.07-48,298.25-21,578.19

Finding the Fourth Proportional to 34,998.07, 48,298.25 and 21,578.19

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Solution

The fourth proportional to 34,998.07, 48,298.25 and 21,578.19 is: 29,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,998.07 : 48,298.25 = 21,578.19 : x
  2. Step 2: Convert to fraction form
    34,998.07/48,298.25 = 21,578.19/x
  3. Step 3: Cross multiply
    34,998.07x = 48,298.25 × 21,578.19
  4. Step 4: Simplify right side
    34,998.07x = 1,042,188,815.17
  5. Step 5: Solve for x
    x = 1,042,188,815.17/34,998.07
  6. Step 6: Final answer
    x = 29,778.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.