Home / 31,733.76-47,602.96-8,360

Finding the Fourth Proportional to 31,733.76, 47,602.96 and 8,360

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Solution

The fourth proportional to 31,733.76, 47,602.96 and 8,360 is: 12,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,733.76 : 47,602.96 = 8,360 : x
  2. Step 2: Convert to fraction form
    31,733.76/47,602.96 = 8,360/x
  3. Step 3: Cross multiply
    31,733.76x = 47,602.96 × 8,360
  4. Step 4: Simplify right side
    31,733.76x = 397,960,745.60
  5. Step 5: Solve for x
    x = 397,960,745.60/31,733.76
  6. Step 6: Final answer
    x = 12,540.61

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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.