Home / 31,611.62-43,622.24-17,268.68

Finding the Fourth Proportional to 31,611.62, 43,622.24 and 17,268.68

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Solution

The fourth proportional to 31,611.62, 43,622.24 and 17,268.68 is: 23,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.62 : 43,622.24 = 17,268.68 : x
  2. Step 2: Convert to fraction form
    31,611.62/43,622.24 = 17,268.68/x
  3. Step 3: Cross multiply
    31,611.62x = 43,622.24 × 17,268.68
  4. Step 4: Simplify right side
    31,611.62x = 753,298,503.44
  5. Step 5: Solve for x
    x = 753,298,503.44/31,611.62
  6. Step 6: Final answer
    x = 23,829.80

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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.