Home / 30,286.29-41,766.09-23,103.45

Finding the Fourth Proportional to 30,286.29, 41,766.09 and 23,103.45

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Solution

The fourth proportional to 30,286.29, 41,766.09 and 23,103.45 is: 31,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.29 : 41,766.09 = 23,103.45 : x
  2. Step 2: Convert to fraction form
    30,286.29/41,766.09 = 23,103.45/x
  3. Step 3: Cross multiply
    30,286.29x = 41,766.09 × 23,103.45
  4. Step 4: Simplify right side
    30,286.29x = 964,940,772.01
  5. Step 5: Solve for x
    x = 964,940,772.01/30,286.29
  6. Step 6: Final answer
    x = 31,860.65

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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.