Home / 31,174.70-43,021.29-17,027.54

Finding the Fourth Proportional to 31,174.70, 43,021.29 and 17,027.54

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Solution

The fourth proportional to 31,174.70, 43,021.29 and 17,027.54 is: 23,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.70 : 43,021.29 = 17,027.54 : x
  2. Step 2: Convert to fraction form
    31,174.70/43,021.29 = 17,027.54/x
  3. Step 3: Cross multiply
    31,174.70x = 43,021.29 × 17,027.54
  4. Step 4: Simplify right side
    31,174.70x = 732,546,521.22
  5. Step 5: Solve for x
    x = 732,546,521.22/31,174.70
  6. Step 6: Final answer
    x = 23,498.11

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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.