Home / 31,015.92-46,515.64-13,481.64

Finding the Fourth Proportional to 31,015.92, 46,515.64 and 13,481.64

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Solution

The fourth proportional to 31,015.92, 46,515.64 and 13,481.64 is: 20,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.92 : 46,515.64 = 13,481.64 : x
  2. Step 2: Convert to fraction form
    31,015.92/46,515.64 = 13,481.64/x
  3. Step 3: Cross multiply
    31,015.92x = 46,515.64 × 13,481.64
  4. Step 4: Simplify right side
    31,015.92x = 627,107,112.85
  5. Step 5: Solve for x
    x = 627,107,112.85/31,015.92
  6. Step 6: Final answer
    x = 20,218.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.