Home / 33,309.53-45,968.39-18,203.21

Finding the Fourth Proportional to 33,309.53, 45,968.39 and 18,203.21

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Solution

The fourth proportional to 33,309.53, 45,968.39 and 18,203.21 is: 25,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.53 : 45,968.39 = 18,203.21 : x
  2. Step 2: Convert to fraction form
    33,309.53/45,968.39 = 18,203.21/x
  3. Step 3: Cross multiply
    33,309.53x = 45,968.39 × 18,203.21
  4. Step 4: Simplify right side
    33,309.53x = 836,771,995.83
  5. Step 5: Solve for x
    x = 836,771,995.83/33,309.53
  6. Step 6: Final answer
    x = 25,121.10

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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.