Home / 35,310.62-52,961.22-13,120.99

Finding the Fourth Proportional to 35,310.62, 52,961.22 and 13,120.99

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Solution

The fourth proportional to 35,310.62, 52,961.22 and 13,120.99 is: 19,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.62 : 52,961.22 = 13,120.99 : x
  2. Step 2: Convert to fraction form
    35,310.62/52,961.22 = 13,120.99/x
  3. Step 3: Cross multiply
    35,310.62x = 52,961.22 × 13,120.99
  4. Step 4: Simplify right side
    35,310.62x = 694,903,505.60
  5. Step 5: Solve for x
    x = 694,903,505.60/35,310.62
  6. Step 6: Final answer
    x = 19,679.73

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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.