Home / 31,856.58-43,963.21-17,517.50

Finding the Fourth Proportional to 31,856.58, 43,963.21 and 17,517.50

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Solution

The fourth proportional to 31,856.58, 43,963.21 and 17,517.50 is: 24,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.58 : 43,963.21 = 17,517.50 : x
  2. Step 2: Convert to fraction form
    31,856.58/43,963.21 = 17,517.50/x
  3. Step 3: Cross multiply
    31,856.58x = 43,963.21 × 17,517.50
  4. Step 4: Simplify right side
    31,856.58x = 770,125,531.18
  5. Step 5: Solve for x
    x = 770,125,531.18/31,856.58
  6. Step 6: Final answer
    x = 24,174.77

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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.