Home / 34,821.18-52,231.74-12,634.50

Finding the Fourth Proportional to 34,821.18, 52,231.74 and 12,634.50

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Solution

The fourth proportional to 34,821.18, 52,231.74 and 12,634.50 is: 18,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.18 : 52,231.74 = 12,634.50 : x
  2. Step 2: Convert to fraction form
    34,821.18/52,231.74 = 12,634.50/x
  3. Step 3: Cross multiply
    34,821.18x = 52,231.74 × 12,634.50
  4. Step 4: Simplify right side
    34,821.18x = 659,921,919.03
  5. Step 5: Solve for x
    x = 659,921,919.03/34,821.18
  6. Step 6: Final answer
    x = 18,951.74

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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.