Home / 31,734.28-47,599.50-8,360.68

Finding the Fourth Proportional to 31,734.28, 47,599.50 and 8,360.68

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Solution

The fourth proportional to 31,734.28, 47,599.50 and 8,360.68 is: 12,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,734.28 : 47,599.50 = 8,360.68 : x
  2. Step 2: Convert to fraction form
    31,734.28/47,599.50 = 8,360.68/x
  3. Step 3: Cross multiply
    31,734.28x = 47,599.50 × 8,360.68
  4. Step 4: Simplify right side
    31,734.28x = 397,964,187.66
  5. Step 5: Solve for x
    x = 397,964,187.66/31,734.28
  6. Step 6: Final answer
    x = 12,540.51

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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.