Home / 33,220.57-45,845.55-18,114.49

Finding the Fourth Proportional to 33,220.57, 45,845.55 and 18,114.49

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Solution

The fourth proportional to 33,220.57, 45,845.55 and 18,114.49 is: 24,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.57 : 45,845.55 = 18,114.49 : x
  2. Step 2: Convert to fraction form
    33,220.57/45,845.55 = 18,114.49/x
  3. Step 3: Cross multiply
    33,220.57x = 45,845.55 × 18,114.49
  4. Step 4: Simplify right side
    33,220.57x = 830,468,757.02
  5. Step 5: Solve for x
    x = 830,468,757.02/33,220.57
  6. Step 6: Final answer
    x = 24,998.63

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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.