Home / 31,646.26-43,671.09-17,305.48

Finding the Fourth Proportional to 31,646.26, 43,671.09 and 17,305.48

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Solution

The fourth proportional to 31,646.26, 43,671.09 and 17,305.48 is: 23,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.26 : 43,671.09 = 17,305.48 : x
  2. Step 2: Convert to fraction form
    31,646.26/43,671.09 = 17,305.48/x
  3. Step 3: Cross multiply
    31,646.26x = 43,671.09 × 17,305.48
  4. Step 4: Simplify right side
    31,646.26x = 755,749,174.57
  5. Step 5: Solve for x
    x = 755,749,174.57/31,646.26
  6. Step 6: Final answer
    x = 23,881.15

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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.