Home / 31,711.08-43,761.60-17,563.82

Finding the Fourth Proportional to 31,711.08, 43,761.60 and 17,563.82

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Solution

The fourth proportional to 31,711.08, 43,761.60 and 17,563.82 is: 24,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.08 : 43,761.60 = 17,563.82 : x
  2. Step 2: Convert to fraction form
    31,711.08/43,761.60 = 17,563.82/x
  3. Step 3: Cross multiply
    31,711.08x = 43,761.60 × 17,563.82
  4. Step 4: Simplify right side
    31,711.08x = 768,620,865.31
  5. Step 5: Solve for x
    x = 768,620,865.31/31,711.08
  6. Step 6: Final answer
    x = 24,238.24

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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.