Home / 31,169.15-43,013.46-17,021.96

Finding the Fourth Proportional to 31,169.15, 43,013.46 and 17,021.96

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Solution

The fourth proportional to 31,169.15, 43,013.46 and 17,021.96 is: 23,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169.15 : 43,013.46 = 17,021.96 : x
  2. Step 2: Convert to fraction form
    31,169.15/43,013.46 = 17,021.96/x
  3. Step 3: Cross multiply
    31,169.15x = 43,013.46 × 17,021.96
  4. Step 4: Simplify right side
    31,169.15x = 732,173,395.58
  5. Step 5: Solve for x
    x = 732,173,395.58/31,169.15
  6. Step 6: Final answer
    x = 23,490.32

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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.