Home / 31,770.67-43,842.85-17,623.39

Finding the Fourth Proportional to 31,770.67, 43,842.85 and 17,623.39

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Solution

The fourth proportional to 31,770.67, 43,842.85 and 17,623.39 is: 24,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.67 : 43,842.85 = 17,623.39 : x
  2. Step 2: Convert to fraction form
    31,770.67/43,842.85 = 17,623.39/x
  3. Step 3: Cross multiply
    31,770.67x = 43,842.85 × 17,623.39
  4. Step 4: Simplify right side
    31,770.67x = 772,659,644.26
  5. Step 5: Solve for x
    x = 772,659,644.26/31,770.67
  6. Step 6: Final answer
    x = 24,319.90

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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.