Home / 33,309.97-45,967.19-18,202.30

Finding the Fourth Proportional to 33,309.97, 45,967.19 and 18,202.30

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Solution

The fourth proportional to 33,309.97, 45,967.19 and 18,202.30 is: 25,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.97 : 45,967.19 = 18,202.30 : x
  2. Step 2: Convert to fraction form
    33,309.97/45,967.19 = 18,202.30/x
  3. Step 3: Cross multiply
    33,309.97x = 45,967.19 × 18,202.30
  4. Step 4: Simplify right side
    33,309.97x = 836,708,376.61
  5. Step 5: Solve for x
    x = 836,708,376.61/33,309.97
  6. Step 6: Final answer
    x = 25,118.86

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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.