Home / 31,337.38-43,245.58-17,190.25

Finding the Fourth Proportional to 31,337.38, 43,245.58 and 17,190.25

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Solution

The fourth proportional to 31,337.38, 43,245.58 and 17,190.25 is: 23,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.38 : 43,245.58 = 17,190.25 : x
  2. Step 2: Convert to fraction form
    31,337.38/43,245.58 = 17,190.25/x
  3. Step 3: Cross multiply
    31,337.38x = 43,245.58 × 17,190.25
  4. Step 4: Simplify right side
    31,337.38x = 743,402,396.73
  5. Step 5: Solve for x
    x = 743,402,396.73/31,337.38
  6. Step 6: Final answer
    x = 23,722.55

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Half scale
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Double scale
Find fourth proportional to 31,338.38, 43,246.96 and 17,191.25
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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.