Home / 31,171.70-43,017.23-17,743.82

Finding the Fourth Proportional to 31,171.70, 43,017.23 and 17,743.82

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Solution

The fourth proportional to 31,171.70, 43,017.23 and 17,743.82 is: 24,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.70 : 43,017.23 = 17,743.82 : x
  2. Step 2: Convert to fraction form
    31,171.70/43,017.23 = 17,743.82/x
  3. Step 3: Cross multiply
    31,171.70x = 43,017.23 × 17,743.82
  4. Step 4: Simplify right side
    31,171.70x = 763,290,004.84
  5. Step 5: Solve for x
    x = 763,290,004.84/31,171.70
  6. Step 6: Final answer
    x = 24,486.63

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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.