Home / 31,836.16-43,936.64-17,691.84

Finding the Fourth Proportional to 31,836.16, 43,936.64 and 17,691.84

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Solution

The fourth proportional to 31,836.16, 43,936.64 and 17,691.84 is: 24,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.16 : 43,936.64 = 17,691.84 : x
  2. Step 2: Convert to fraction form
    31,836.16/43,936.64 = 17,691.84/x
  3. Step 3: Cross multiply
    31,836.16x = 43,936.64 × 17,691.84
  4. Step 4: Simplify right side
    31,836.16x = 777,320,005.02
  5. Step 5: Solve for x
    x = 777,320,005.02/31,836.16
  6. Step 6: Final answer
    x = 24,416.26

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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.