Home / 31,803.97-47,661.82-14,007.94

Finding the Fourth Proportional to 31,803.97, 47,661.82 and 14,007.94

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Solution

The fourth proportional to 31,803.97, 47,661.82 and 14,007.94 is: 20,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.97 : 47,661.82 = 14,007.94 : x
  2. Step 2: Convert to fraction form
    31,803.97/47,661.82 = 14,007.94/x
  3. Step 3: Cross multiply
    31,803.97x = 47,661.82 × 14,007.94
  4. Step 4: Simplify right side
    31,803.97x = 667,644,028.77
  5. Step 5: Solve for x
    x = 667,644,028.77/31,803.97
  6. Step 6: Final answer
    x = 20,992.47

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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.