Home / 31,640.33-43,663.73-17,301.09

Finding the Fourth Proportional to 31,640.33, 43,663.73 and 17,301.09

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Solution

The fourth proportional to 31,640.33, 43,663.73 and 17,301.09 is: 23,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.33 : 43,663.73 = 17,301.09 : x
  2. Step 2: Convert to fraction form
    31,640.33/43,663.73 = 17,301.09/x
  3. Step 3: Cross multiply
    31,640.33x = 43,663.73 × 17,301.09
  4. Step 4: Simplify right side
    31,640.33x = 755,430,122.47
  5. Step 5: Solve for x
    x = 755,430,122.47/31,640.33
  6. Step 6: Final answer
    x = 23,875.54

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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.