Home / 31,770.70-43,845.62-17,623.55

Finding the Fourth Proportional to 31,770.70, 43,845.62 and 17,623.55

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Solution

The fourth proportional to 31,770.70, 43,845.62 and 17,623.55 is: 24,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.70 : 43,845.62 = 17,623.55 : x
  2. Step 2: Convert to fraction form
    31,770.70/43,845.62 = 17,623.55/x
  3. Step 3: Cross multiply
    31,770.70x = 43,845.62 × 17,623.55
  4. Step 4: Simplify right side
    31,770.70x = 772,715,497.85
  5. Step 5: Solve for x
    x = 772,715,497.85/31,770.70
  6. Step 6: Final answer
    x = 24,321.64

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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.