Home / 33,238.45-45,869.70-18,131.66

Finding the Fourth Proportional to 33,238.45, 45,869.70 and 18,131.66

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Solution

The fourth proportional to 33,238.45, 45,869.70 and 18,131.66 is: 25,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.45 : 45,869.70 = 18,131.66 : x
  2. Step 2: Convert to fraction form
    33,238.45/45,869.70 = 18,131.66/x
  3. Step 3: Cross multiply
    33,238.45x = 45,869.70 × 18,131.66
  4. Step 4: Simplify right side
    33,238.45x = 831,694,073.38
  5. Step 5: Solve for x
    x = 831,694,073.38/33,238.45
  6. Step 6: Final answer
    x = 25,022.05

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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.