Home / 33,311.88-45,971.62-18,205.55

Finding the Fourth Proportional to 33,311.88, 45,971.62 and 18,205.55

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Solution

The fourth proportional to 33,311.88, 45,971.62 and 18,205.55 is: 25,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.88 : 45,971.62 = 18,205.55 : x
  2. Step 2: Convert to fraction form
    33,311.88/45,971.62 = 18,205.55/x
  3. Step 3: Cross multiply
    33,311.88x = 45,971.62 × 18,205.55
  4. Step 4: Simplify right side
    33,311.88x = 836,938,626.49
  5. Step 5: Solve for x
    x = 836,938,626.49/33,311.88
  6. Step 6: Final answer
    x = 25,124.33

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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.