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Finding the Fourth Proportional to 30,324.66, 45,493.07 and 12,794.64

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Solution

The fourth proportional to 30,324.66, 45,493.07 and 12,794.64 is: 19,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.66 : 45,493.07 = 12,794.64 : x
  2. Step 2: Convert to fraction form
    30,324.66/45,493.07 = 12,794.64/x
  3. Step 3: Cross multiply
    30,324.66x = 45,493.07 × 12,794.64
  4. Step 4: Simplify right side
    30,324.66x = 582,067,389.17
  5. Step 5: Solve for x
    x = 582,067,389.17/30,324.66
  6. Step 6: Final answer
    x = 19,194.52

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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.