Home / 31,219.38-43,083.79-17,072.24

Finding the Fourth Proportional to 31,219.38, 43,083.79 and 17,072.24

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Solution

The fourth proportional to 31,219.38, 43,083.79 and 17,072.24 is: 23,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.38 : 43,083.79 = 17,072.24 : x
  2. Step 2: Convert to fraction form
    31,219.38/43,083.79 = 17,072.24/x
  3. Step 3: Cross multiply
    31,219.38x = 43,083.79 × 17,072.24
  4. Step 4: Simplify right side
    31,219.38x = 735,536,544.89
  5. Step 5: Solve for x
    x = 735,536,544.89/31,219.38
  6. Step 6: Final answer
    x = 23,560.25

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Half scale
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Double scale
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Similar ratio
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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.