Home / 33,149.40-45,750.99-18,615.22

Finding the Fourth Proportional to 33,149.40, 45,750.99 and 18,615.22

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Solution

The fourth proportional to 33,149.40, 45,750.99 and 18,615.22 is: 25,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.40 : 45,750.99 = 18,615.22 : x
  2. Step 2: Convert to fraction form
    33,149.40/45,750.99 = 18,615.22/x
  3. Step 3: Cross multiply
    33,149.40x = 45,750.99 × 18,615.22
  4. Step 4: Simplify right side
    33,149.40x = 851,664,561.85
  5. Step 5: Solve for x
    x = 851,664,561.85/33,149.40
  6. Step 6: Final answer
    x = 25,691.70

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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.