Home / 31,450.57-47,162-16,656.03

Finding the Fourth Proportional to 31,450.57, 47,162 and 16,656.03

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Solution

The fourth proportional to 31,450.57, 47,162 and 16,656.03 is: 24,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.57 : 47,162 = 16,656.03 : x
  2. Step 2: Convert to fraction form
    31,450.57/47,162 = 16,656.03/x
  3. Step 3: Cross multiply
    31,450.57x = 47,162 × 16,656.03
  4. Step 4: Simplify right side
    31,450.57x = 785,531,686.86
  5. Step 5: Solve for x
    x = 785,531,686.86/31,450.57
  6. Step 6: Final answer
    x = 24,976.71

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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.