Home / 37,234.60-55,857.30-12,270.40

Finding the Fourth Proportional to 37,234.60, 55,857.30 and 12,270.40

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Solution

The fourth proportional to 37,234.60, 55,857.30 and 12,270.40 is: 18,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,234.60 : 55,857.30 = 12,270.40 : x
  2. Step 2: Convert to fraction form
    37,234.60/55,857.30 = 12,270.40/x
  3. Step 3: Cross multiply
    37,234.60x = 55,857.30 × 12,270.40
  4. Step 4: Simplify right side
    37,234.60x = 685,391,413.92
  5. Step 5: Solve for x
    x = 685,391,413.92/37,234.60
  6. Step 6: Final answer
    x = 18,407.38

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1.5x scale

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.