Home / 34,121.57-51,181.99-8,820.95

Finding the Fourth Proportional to 34,121.57, 51,181.99 and 8,820.95

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Solution

The fourth proportional to 34,121.57, 51,181.99 and 8,820.95 is: 13,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.57 : 51,181.99 = 8,820.95 : x
  2. Step 2: Convert to fraction form
    34,121.57/51,181.99 = 8,820.95/x
  3. Step 3: Cross multiply
    34,121.57x = 51,181.99 × 8,820.95
  4. Step 4: Simplify right side
    34,121.57x = 451,473,496.73
  5. Step 5: Solve for x
    x = 451,473,496.73/34,121.57
  6. Step 6: Final answer
    x = 13,231.32

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1.5x scale

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.