Home / 34,857.75-48,103.98-18,942.21

Finding the Fourth Proportional to 34,857.75, 48,103.98 and 18,942.21

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Solution

The fourth proportional to 34,857.75, 48,103.98 and 18,942.21 is: 26,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.75 : 48,103.98 = 18,942.21 : x
  2. Step 2: Convert to fraction form
    34,857.75/48,103.98 = 18,942.21/x
  3. Step 3: Cross multiply
    34,857.75x = 48,103.98 × 18,942.21
  4. Step 4: Simplify right side
    34,857.75x = 911,195,691.00
  5. Step 5: Solve for x
    x = 911,195,691.00/34,857.75
  6. Step 6: Final answer
    x = 26,140.40

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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.