Home / 45,824.10-68,736.20-12,544.44

Finding the Fourth Proportional to 45,824.10, 68,736.20 and 12,544.44

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Solution

The fourth proportional to 45,824.10, 68,736.20 and 12,544.44 is: 18,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.10 : 68,736.20 = 12,544.44 : x
  2. Step 2: Convert to fraction form
    45,824.10/68,736.20 = 12,544.44/x
  3. Step 3: Cross multiply
    45,824.10x = 68,736.20 × 12,544.44
  4. Step 4: Simplify right side
    45,824.10x = 862,257,396.21
  5. Step 5: Solve for x
    x = 862,257,396.21/45,824.10
  6. Step 6: Final answer
    x = 18,816.68

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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.