Home / 34,857.90-48,103.20-18,942.75

Finding the Fourth Proportional to 34,857.90, 48,103.20 and 18,942.75

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Solution

The fourth proportional to 34,857.90, 48,103.20 and 18,942.75 is: 26,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.90 : 48,103.20 = 18,942.75 : x
  2. Step 2: Convert to fraction form
    34,857.90/48,103.20 = 18,942.75/x
  3. Step 3: Cross multiply
    34,857.90x = 48,103.20 × 18,942.75
  4. Step 4: Simplify right side
    34,857.90x = 911,206,891.80
  5. Step 5: Solve for x
    x = 911,206,891.80/34,857.90
  6. Step 6: Final answer
    x = 26,140.61

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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.