Home / 31,766.58-47,644.20-18,605.70

Finding the Fourth Proportional to 31,766.58, 47,644.20 and 18,605.70

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Solution

The fourth proportional to 31,766.58, 47,644.20 and 18,605.70 is: 27,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.58 : 47,644.20 = 18,605.70 : x
  2. Step 2: Convert to fraction form
    31,766.58/47,644.20 = 18,605.70/x
  3. Step 3: Cross multiply
    31,766.58x = 47,644.20 × 18,605.70
  4. Step 4: Simplify right side
    31,766.58x = 886,453,691.94
  5. Step 5: Solve for x
    x = 886,453,691.94/31,766.58
  6. Step 6: Final answer
    x = 27,905.23

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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.