Home / 51,965.23-71,711.56-28,091.69

Finding the Fourth Proportional to 51,965.23, 71,711.56 and 28,091.69

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Solution

The fourth proportional to 51,965.23, 71,711.56 and 28,091.69 is: 38,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,965.23 : 71,711.56 = 28,091.69 : x
  2. Step 2: Convert to fraction form
    51,965.23/71,711.56 = 28,091.69/x
  3. Step 3: Cross multiply
    51,965.23x = 71,711.56 × 28,091.69
  4. Step 4: Simplify right side
    51,965.23x = 2,014,498,912.94
  5. Step 5: Solve for x
    x = 2,014,498,912.94/51,965.23
  6. Step 6: Final answer
    x = 38,766.28

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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.