Home / 47,778.75-65,942.62-27,647.41

Finding the Fourth Proportional to 47,778.75, 65,942.62 and 27,647.41

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Solution

The fourth proportional to 47,778.75, 65,942.62 and 27,647.41 is: 38,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.75 : 65,942.62 = 27,647.41 : x
  2. Step 2: Convert to fraction form
    47,778.75/65,942.62 = 27,647.41/x
  3. Step 3: Cross multiply
    47,778.75x = 65,942.62 × 27,647.41
  4. Step 4: Simplify right side
    47,778.75x = 1,823,142,651.61
  5. Step 5: Solve for x
    x = 1,823,142,651.61/47,778.75
  6. Step 6: Final answer
    x = 38,158.02

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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.