Home / 51,961.25-71,668.67-39,724.31

Finding the Fourth Proportional to 51,961.25, 71,668.67 and 39,724.31

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Solution

The fourth proportional to 51,961.25, 71,668.67 and 39,724.31 is: 54,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,961.25 : 71,668.67 = 39,724.31 : x
  2. Step 2: Convert to fraction form
    51,961.25/71,668.67 = 39,724.31/x
  3. Step 3: Cross multiply
    51,961.25x = 71,668.67 × 39,724.31
  4. Step 4: Simplify right side
    51,961.25x = 2,846,988,444.92
  5. Step 5: Solve for x
    x = 2,846,988,444.92/51,961.25
  6. Step 6: Final answer
    x = 54,790.60

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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.