Home / 31,239.61-43,111.67-17,092.43

Finding the Fourth Proportional to 31,239.61, 43,111.67 and 17,092.43

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Solution

The fourth proportional to 31,239.61, 43,111.67 and 17,092.43 is: 23,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.61 : 43,111.67 = 17,092.43 : x
  2. Step 2: Convert to fraction form
    31,239.61/43,111.67 = 17,092.43/x
  3. Step 3: Cross multiply
    31,239.61x = 43,111.67 × 17,092.43
  4. Step 4: Simplify right side
    31,239.61x = 736,883,201.66
  5. Step 5: Solve for x
    x = 736,883,201.66/31,239.61
  6. Step 6: Final answer
    x = 23,588.11

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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.