Home / 31,414.96-47,137.82-14,776.69

Finding the Fourth Proportional to 31,414.96, 47,137.82 and 14,776.69

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Solution

The fourth proportional to 31,414.96, 47,137.82 and 14,776.69 is: 22,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414.96 : 47,137.82 = 14,776.69 : x
  2. Step 2: Convert to fraction form
    31,414.96/47,137.82 = 14,776.69/x
  3. Step 3: Cross multiply
    31,414.96x = 47,137.82 × 14,776.69
  4. Step 4: Simplify right side
    31,414.96x = 696,540,717.73
  5. Step 5: Solve for x
    x = 696,540,717.73/31,414.96
  6. Step 6: Final answer
    x = 22,172.26

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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.