Home / 33,321.89-45,984.21-18,214.61

Finding the Fourth Proportional to 33,321.89, 45,984.21 and 18,214.61

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Solution

The fourth proportional to 33,321.89, 45,984.21 and 18,214.61 is: 25,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.89 : 45,984.21 = 18,214.61 : x
  2. Step 2: Convert to fraction form
    33,321.89/45,984.21 = 18,214.61/x
  3. Step 3: Cross multiply
    33,321.89x = 45,984.21 × 18,214.61
  4. Step 4: Simplify right side
    33,321.89x = 837,584,520.73
  5. Step 5: Solve for x
    x = 837,584,520.73/33,321.89
  6. Step 6: Final answer
    x = 25,136.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.