Home / 31,163.31-46,763.46-12,452.18

Finding the Fourth Proportional to 31,163.31, 46,763.46 and 12,452.18

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Solution

The fourth proportional to 31,163.31, 46,763.46 and 12,452.18 is: 18,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.31 : 46,763.46 = 12,452.18 : x
  2. Step 2: Convert to fraction form
    31,163.31/46,763.46 = 12,452.18/x
  3. Step 3: Cross multiply
    31,163.31x = 46,763.46 × 12,452.18
  4. Step 4: Simplify right side
    31,163.31x = 582,306,787.53
  5. Step 5: Solve for x
    x = 582,306,787.53/31,163.31
  6. Step 6: Final answer
    x = 18,685.65

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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.