Home / 49,823.97-68,718.20-31,920.64

Finding the Fourth Proportional to 49,823.97, 68,718.20 and 31,920.64

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Solution

The fourth proportional to 49,823.97, 68,718.20 and 31,920.64 is: 44,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,823.97 : 68,718.20 = 31,920.64 : x
  2. Step 2: Convert to fraction form
    49,823.97/68,718.20 = 31,920.64/x
  3. Step 3: Cross multiply
    49,823.97x = 68,718.20 × 31,920.64
  4. Step 4: Simplify right side
    49,823.97x = 2,193,528,923.65
  5. Step 5: Solve for x
    x = 2,193,528,923.65/49,823.97
  6. Step 6: Final answer
    x = 44,025.57

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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.