Home / 31,634.82-47,438.46-16,840.44

Finding the Fourth Proportional to 31,634.82, 47,438.46 and 16,840.44

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Solution

The fourth proportional to 31,634.82, 47,438.46 and 16,840.44 is: 25,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634.82 : 47,438.46 = 16,840.44 : x
  2. Step 2: Convert to fraction form
    31,634.82/47,438.46 = 16,840.44/x
  3. Step 3: Cross multiply
    31,634.82x = 47,438.46 × 16,840.44
  4. Step 4: Simplify right side
    31,634.82x = 798,884,539.32
  5. Step 5: Solve for x
    x = 798,884,539.32/31,634.82
  6. Step 6: Final answer
    x = 25,253.33

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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.