Home / 31,171.92-43,015.50-17,746.44

Finding the Fourth Proportional to 31,171.92, 43,015.50 and 17,746.44

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Solution

The fourth proportional to 31,171.92, 43,015.50 and 17,746.44 is: 24,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.92 : 43,015.50 = 17,746.44 : x
  2. Step 2: Convert to fraction form
    31,171.92/43,015.50 = 17,746.44/x
  3. Step 3: Cross multiply
    31,171.92x = 43,015.50 × 17,746.44
  4. Step 4: Simplify right side
    31,171.92x = 763,371,989.82
  5. Step 5: Solve for x
    x = 763,371,989.82/31,171.92
  6. Step 6: Final answer
    x = 24,489.09

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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.