Home / 51,886.44-71,620.20-38,453.40

Finding the Fourth Proportional to 51,886.44, 71,620.20 and 38,453.40

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Solution

The fourth proportional to 51,886.44, 71,620.20 and 38,453.40 is: 53,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,886.44 : 71,620.20 = 38,453.40 : x
  2. Step 2: Convert to fraction form
    51,886.44/71,620.20 = 38,453.40/x
  3. Step 3: Cross multiply
    51,886.44x = 71,620.20 × 38,453.40
  4. Step 4: Simplify right side
    51,886.44x = 2,754,040,198.68
  5. Step 5: Solve for x
    x = 2,754,040,198.68/51,886.44
  6. Step 6: Final answer
    x = 53,078.23

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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.