Home / 33,220.82-45,845.09-18,113.36

Finding the Fourth Proportional to 33,220.82, 45,845.09 and 18,113.36

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Solution

The fourth proportional to 33,220.82, 45,845.09 and 18,113.36 is: 24,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.82 : 45,845.09 = 18,113.36 : x
  2. Step 2: Convert to fraction form
    33,220.82/45,845.09 = 18,113.36/x
  3. Step 3: Cross multiply
    33,220.82x = 45,845.09 × 18,113.36
  4. Step 4: Simplify right side
    33,220.82x = 830,408,299.61
  5. Step 5: Solve for x
    x = 830,408,299.61/33,220.82
  6. Step 6: Final answer
    x = 24,996.63

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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.