Home / 31,610.37-47,440.05-11,906.85

Finding the Fourth Proportional to 31,610.37, 47,440.05 and 11,906.85

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Solution

The fourth proportional to 31,610.37, 47,440.05 and 11,906.85 is: 17,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.37 : 47,440.05 = 11,906.85 : x
  2. Step 2: Convert to fraction form
    31,610.37/47,440.05 = 11,906.85/x
  3. Step 3: Cross multiply
    31,610.37x = 47,440.05 × 11,906.85
  4. Step 4: Simplify right side
    31,610.37x = 564,861,559.34
  5. Step 5: Solve for x
    x = 564,861,559.34/31,610.37
  6. Step 6: Final answer
    x = 17,869.50

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1.5x scale

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.