Home / 31,694.20-47,537.70-8,322.46

Finding the Fourth Proportional to 31,694.20, 47,537.70 and 8,322.46

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Solution

The fourth proportional to 31,694.20, 47,537.70 and 8,322.46 is: 12,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.20 : 47,537.70 = 8,322.46 : x
  2. Step 2: Convert to fraction form
    31,694.20/47,537.70 = 8,322.46/x
  3. Step 3: Cross multiply
    31,694.20x = 47,537.70 × 8,322.46
  4. Step 4: Simplify right side
    31,694.20x = 395,630,456.69
  5. Step 5: Solve for x
    x = 395,630,456.69/31,694.20
  6. Step 6: Final answer
    x = 12,482.74

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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.