Home / 31,511.98-47,286.43-17,483.75

Finding the Fourth Proportional to 31,511.98, 47,286.43 and 17,483.75

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Solution

The fourth proportional to 31,511.98, 47,286.43 and 17,483.75 is: 26,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.98 : 47,286.43 = 17,483.75 : x
  2. Step 2: Convert to fraction form
    31,511.98/47,286.43 = 17,483.75/x
  3. Step 3: Cross multiply
    31,511.98x = 47,286.43 × 17,483.75
  4. Step 4: Simplify right side
    31,511.98x = 826,743,796.66
  5. Step 5: Solve for x
    x = 826,743,796.66/31,511.98
  6. Step 6: Final answer
    x = 26,235.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.