Home / 55,591.75-83,396.27-18,664.39

Finding the Fourth Proportional to 55,591.75, 83,396.27 and 18,664.39

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Solution

The fourth proportional to 55,591.75, 83,396.27 and 18,664.39 is: 27,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.75 : 83,396.27 = 18,664.39 : x
  2. Step 2: Convert to fraction form
    55,591.75/83,396.27 = 18,664.39/x
  3. Step 3: Cross multiply
    55,591.75x = 83,396.27 × 18,664.39
  4. Step 4: Simplify right side
    55,591.75x = 1,556,540,414.50
  5. Step 5: Solve for x
    x = 1,556,540,414.50/55,591.75
  6. Step 6: Final answer
    x = 27,999.49

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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.