Home / 36,787.52-55,189.44-13,413.90

Finding the Fourth Proportional to 36,787.52, 55,189.44 and 13,413.90

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Solution

The fourth proportional to 36,787.52, 55,189.44 and 13,413.90 is: 20,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.52 : 55,189.44 = 13,413.90 : x
  2. Step 2: Convert to fraction form
    36,787.52/55,189.44 = 13,413.90/x
  3. Step 3: Cross multiply
    36,787.52x = 55,189.44 × 13,413.90
  4. Step 4: Simplify right side
    36,787.52x = 740,305,629.22
  5. Step 5: Solve for x
    x = 740,305,629.22/36,787.52
  6. Step 6: Final answer
    x = 20,123.83

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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.