Home / 31,945.08-47,917.62-8,573.88

Finding the Fourth Proportional to 31,945.08, 47,917.62 and 8,573.88

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Solution

The fourth proportional to 31,945.08, 47,917.62 and 8,573.88 is: 12,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945.08 : 47,917.62 = 8,573.88 : x
  2. Step 2: Convert to fraction form
    31,945.08/47,917.62 = 8,573.88/x
  3. Step 3: Cross multiply
    31,945.08x = 47,917.62 × 8,573.88
  4. Step 4: Simplify right side
    31,945.08x = 410,839,923.77
  5. Step 5: Solve for x
    x = 410,839,923.77/31,945.08
  6. Step 6: Final answer
    x = 12,860.82

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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.