Home / 55,821.98-83,745.30-18,393.60

Finding the Fourth Proportional to 55,821.98, 83,745.30 and 18,393.60

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Solution

The fourth proportional to 55,821.98, 83,745.30 and 18,393.60 is: 27,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,821.98 : 83,745.30 = 18,393.60 : x
  2. Step 2: Convert to fraction form
    55,821.98/83,745.30 = 18,393.60/x
  3. Step 3: Cross multiply
    55,821.98x = 83,745.30 × 18,393.60
  4. Step 4: Simplify right side
    55,821.98x = 1,540,377,550.08
  5. Step 5: Solve for x
    x = 1,540,377,550.08/55,821.98
  6. Step 6: Final answer
    x = 27,594.46

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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.