Home / 31,956.85-47,942.19-12,235.41

Finding the Fourth Proportional to 31,956.85, 47,942.19 and 12,235.41

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Solution

The fourth proportional to 31,956.85, 47,942.19 and 12,235.41 is: 18,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.85 : 47,942.19 = 12,235.41 : x
  2. Step 2: Convert to fraction form
    31,956.85/47,942.19 = 12,235.41/x
  3. Step 3: Cross multiply
    31,956.85x = 47,942.19 × 12,235.41
  4. Step 4: Simplify right side
    31,956.85x = 586,592,350.95
  5. Step 5: Solve for x
    x = 586,592,350.95/31,956.85
  6. Step 6: Final answer
    x = 18,355.76

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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.