Home / 37,940.64-56,910.91-11,286.53

Finding the Fourth Proportional to 37,940.64, 56,910.91 and 11,286.53

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Solution

The fourth proportional to 37,940.64, 56,910.91 and 11,286.53 is: 16,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.64 : 56,910.91 = 11,286.53 : x
  2. Step 2: Convert to fraction form
    37,940.64/56,910.91 = 11,286.53/x
  3. Step 3: Cross multiply
    37,940.64x = 56,910.91 × 11,286.53
  4. Step 4: Simplify right side
    37,940.64x = 642,326,693.04
  5. Step 5: Solve for x
    x = 642,326,693.04/37,940.64
  6. Step 6: Final answer
    x = 16,929.78

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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.