Home / 51,986.31-71,741.16-28,112.97

Finding the Fourth Proportional to 51,986.31, 71,741.16 and 28,112.97

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Solution

The fourth proportional to 51,986.31, 71,741.16 and 28,112.97 is: 38,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.31 : 71,741.16 = 28,112.97 : x
  2. Step 2: Convert to fraction form
    51,986.31/71,741.16 = 28,112.97/x
  3. Step 3: Cross multiply
    51,986.31x = 71,741.16 × 28,112.97
  4. Step 4: Simplify right side
    51,986.31x = 2,016,857,078.85
  5. Step 5: Solve for x
    x = 2,016,857,078.85/51,986.31
  6. Step 6: Final answer
    x = 38,795.93

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1.5x scale

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.