Home / 31,796.68-47,702.22-16,997.80

Finding the Fourth Proportional to 31,796.68, 47,702.22 and 16,997.80

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Solution

The fourth proportional to 31,796.68, 47,702.22 and 16,997.80 is: 25,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796.68 : 47,702.22 = 16,997.80 : x
  2. Step 2: Convert to fraction form
    31,796.68/47,702.22 = 16,997.80/x
  3. Step 3: Cross multiply
    31,796.68x = 47,702.22 × 16,997.80
  4. Step 4: Simplify right side
    31,796.68x = 810,832,795.12
  5. Step 5: Solve for x
    x = 810,832,795.12/31,796.68
  6. Step 6: Final answer
    x = 25,500.55

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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.