Home / 31,983.10-47,974.76-9,796.39

Finding the Fourth Proportional to 31,983.10, 47,974.76 and 9,796.39

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Solution

The fourth proportional to 31,983.10, 47,974.76 and 9,796.39 is: 14,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.10 : 47,974.76 = 9,796.39 : x
  2. Step 2: Convert to fraction form
    31,983.10/47,974.76 = 9,796.39/x
  3. Step 3: Cross multiply
    31,983.10x = 47,974.76 × 9,796.39
  4. Step 4: Simplify right side
    31,983.10x = 469,979,459.12
  5. Step 5: Solve for x
    x = 469,979,459.12/31,983.10
  6. Step 6: Final answer
    x = 14,694.62

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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.