Home / 31,984.92-47,980.26-8,610.84

Finding the Fourth Proportional to 31,984.92, 47,980.26 and 8,610.84

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Solution

The fourth proportional to 31,984.92, 47,980.26 and 8,610.84 is: 12,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.92 : 47,980.26 = 8,610.84 : x
  2. Step 2: Convert to fraction form
    31,984.92/47,980.26 = 8,610.84/x
  3. Step 3: Cross multiply
    31,984.92x = 47,980.26 × 8,610.84
  4. Step 4: Simplify right side
    31,984.92x = 413,150,342.02
  5. Step 5: Solve for x
    x = 413,150,342.02/31,984.92
  6. Step 6: Final answer
    x = 12,917.04

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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.