Home / 31,942.85-47,923.52-13,219.43

Finding the Fourth Proportional to 31,942.85, 47,923.52 and 13,219.43

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Solution

The fourth proportional to 31,942.85, 47,923.52 and 13,219.43 is: 19,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.85 : 47,923.52 = 13,219.43 : x
  2. Step 2: Convert to fraction form
    31,942.85/47,923.52 = 13,219.43/x
  3. Step 3: Cross multiply
    31,942.85x = 47,923.52 × 13,219.43
  4. Step 4: Simplify right side
    31,942.85x = 633,521,617.99
  5. Step 5: Solve for x
    x = 633,521,617.99/31,942.85
  6. Step 6: Final answer
    x = 19,832.97

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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.