Home / 51,961.80-71,694.05-31,811.33

Finding the Fourth Proportional to 51,961.80, 71,694.05 and 31,811.33

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Solution

The fourth proportional to 51,961.80, 71,694.05 and 31,811.33 is: 43,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,961.80 : 71,694.05 = 31,811.33 : x
  2. Step 2: Convert to fraction form
    51,961.80/71,694.05 = 31,811.33/x
  3. Step 3: Cross multiply
    51,961.80x = 71,694.05 × 31,811.33
  4. Step 4: Simplify right side
    51,961.80x = 2,280,683,103.76
  5. Step 5: Solve for x
    x = 2,280,683,103.76/51,961.80
  6. Step 6: Final answer
    x = 43,891.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.