Home / 31,348.83-47,027.66-9,163.88

Finding the Fourth Proportional to 31,348.83, 47,027.66 and 9,163.88

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Solution

The fourth proportional to 31,348.83, 47,027.66 and 9,163.88 is: 13,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,348.83 : 47,027.66 = 9,163.88 : x
  2. Step 2: Convert to fraction form
    31,348.83/47,027.66 = 9,163.88/x
  3. Step 3: Cross multiply
    31,348.83x = 47,027.66 × 9,163.88
  4. Step 4: Simplify right side
    31,348.83x = 430,955,551.96
  5. Step 5: Solve for x
    x = 430,955,551.96/31,348.83
  6. Step 6: Final answer
    x = 13,747.10

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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.