Home / 31,704.21-43,750.13-17,556.75

Finding the Fourth Proportional to 31,704.21, 43,750.13 and 17,556.75

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Solution

The fourth proportional to 31,704.21, 43,750.13 and 17,556.75 is: 24,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704.21 : 43,750.13 = 17,556.75 : x
  2. Step 2: Convert to fraction form
    31,704.21/43,750.13 = 17,556.75/x
  3. Step 3: Cross multiply
    31,704.21x = 43,750.13 × 17,556.75
  4. Step 4: Simplify right side
    31,704.21x = 768,110,007.09
  5. Step 5: Solve for x
    x = 768,110,007.09/31,704.21
  6. Step 6: Final answer
    x = 24,227.38

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Half scale
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Double scale
Find fourth proportional to 31,705.21, 43,751.50 and 17,557.75
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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.