Home / 31,611.83-43,625.57-18,183.06

Finding the Fourth Proportional to 31,611.83, 43,625.57 and 18,183.06

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Solution

The fourth proportional to 31,611.83, 43,625.57 and 18,183.06 is: 25,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.83 : 43,625.57 = 18,183.06 : x
  2. Step 2: Convert to fraction form
    31,611.83/43,625.57 = 18,183.06/x
  3. Step 3: Cross multiply
    31,611.83x = 43,625.57 × 18,183.06
  4. Step 4: Simplify right side
    31,611.83x = 793,246,265.93
  5. Step 5: Solve for x
    x = 793,246,265.93/31,611.83
  6. Step 6: Final answer
    x = 25,093.34

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Half scale
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Double scale
Find fourth proportional to 31,612.83, 43,626.95 and 18,184.06
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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.