Home / 31,961.83-47,949.66-12,240.39

Finding the Fourth Proportional to 31,961.83, 47,949.66 and 12,240.39

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Solution

The fourth proportional to 31,961.83, 47,949.66 and 12,240.39 is: 18,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.83 : 47,949.66 = 12,240.39 : x
  2. Step 2: Convert to fraction form
    31,961.83/47,949.66 = 12,240.39/x
  3. Step 3: Cross multiply
    31,961.83x = 47,949.66 × 12,240.39
  4. Step 4: Simplify right side
    31,961.83x = 586,922,538.77
  5. Step 5: Solve for x
    x = 586,922,538.77/31,961.83
  6. Step 6: Final answer
    x = 18,363.23

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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.