Home / 33,310.90-45,969.64-18,204.20

Finding the Fourth Proportional to 33,310.90, 45,969.64 and 18,204.20

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Solution

The fourth proportional to 33,310.90, 45,969.64 and 18,204.20 is: 25,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.90 : 45,969.64 = 18,204.20 : x
  2. Step 2: Convert to fraction form
    33,310.90/45,969.64 = 18,204.20/x
  3. Step 3: Cross multiply
    33,310.90x = 45,969.64 × 18,204.20
  4. Step 4: Simplify right side
    33,310.90x = 836,840,290.64
  5. Step 5: Solve for x
    x = 836,840,290.64/33,310.90
  6. Step 6: Final answer
    x = 25,122.12

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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.