Home / 31,161.76-46,735.08-10,382.56

Finding the Fourth Proportional to 31,161.76, 46,735.08 and 10,382.56

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Solution

The fourth proportional to 31,161.76, 46,735.08 and 10,382.56 is: 15,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.76 : 46,735.08 = 10,382.56 : x
  2. Step 2: Convert to fraction form
    31,161.76/46,735.08 = 10,382.56/x
  3. Step 3: Cross multiply
    31,161.76x = 46,735.08 × 10,382.56
  4. Step 4: Simplify right side
    31,161.76x = 485,229,772.20
  5. Step 5: Solve for x
    x = 485,229,772.20/31,161.76
  6. Step 6: Final answer
    x = 15,571.32

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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.