Home / 40,903.91-61,355.79-11,321.66

Finding the Fourth Proportional to 40,903.91, 61,355.79 and 11,321.66

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Solution

The fourth proportional to 40,903.91, 61,355.79 and 11,321.66 is: 16,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,903.91 : 61,355.79 = 11,321.66 : x
  2. Step 2: Convert to fraction form
    40,903.91/61,355.79 = 11,321.66/x
  3. Step 3: Cross multiply
    40,903.91x = 61,355.79 × 11,321.66
  4. Step 4: Simplify right side
    40,903.91x = 694,649,393.41
  5. Step 5: Solve for x
    x = 694,649,393.41/40,903.91
  6. Step 6: Final answer
    x = 16,982.47

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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.