Home / 31,324.62-43,227.98-17,177.76

Finding the Fourth Proportional to 31,324.62, 43,227.98 and 17,177.76

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Solution

The fourth proportional to 31,324.62, 43,227.98 and 17,177.76 is: 23,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324.62 : 43,227.98 = 17,177.76 : x
  2. Step 2: Convert to fraction form
    31,324.62/43,227.98 = 17,177.76/x
  3. Step 3: Cross multiply
    31,324.62x = 43,227.98 × 17,177.76
  4. Step 4: Simplify right side
    31,324.62x = 742,559,865.72
  5. Step 5: Solve for x
    x = 742,559,865.72/31,324.62
  6. Step 6: Final answer
    x = 23,705.31

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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.