Home / 37,408.08-51,623.70-20,413.20

Finding the Fourth Proportional to 37,408.08, 51,623.70 and 20,413.20

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Solution

The fourth proportional to 37,408.08, 51,623.70 and 20,413.20 is: 28,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,408.08 : 51,623.70 = 20,413.20 : x
  2. Step 2: Convert to fraction form
    37,408.08/51,623.70 = 20,413.20/x
  3. Step 3: Cross multiply
    37,408.08x = 51,623.70 × 20,413.20
  4. Step 4: Simplify right side
    37,408.08x = 1,053,804,912.84
  5. Step 5: Solve for x
    x = 1,053,804,912.84/37,408.08
  6. Step 6: Final answer
    x = 28,170.52

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1.5x scale

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.