Home / 40,502.48-60,786.22-18,317.80

Finding the Fourth Proportional to 40,502.48, 60,786.22 and 18,317.80

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Solution

The fourth proportional to 40,502.48, 60,786.22 and 18,317.80 is: 27,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.48 : 60,786.22 = 18,317.80 : x
  2. Step 2: Convert to fraction form
    40,502.48/60,786.22 = 18,317.80/x
  3. Step 3: Cross multiply
    40,502.48x = 60,786.22 × 18,317.80
  4. Step 4: Simplify right side
    40,502.48x = 1,113,469,594.85
  5. Step 5: Solve for x
    x = 1,113,469,594.85/40,502.48
  6. Step 6: Final answer
    x = 27,491.39

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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.