Home / 33,325.43-45,990.32-18,219.11

Finding the Fourth Proportional to 33,325.43, 45,990.32 and 18,219.11

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Solution

The fourth proportional to 33,325.43, 45,990.32 and 18,219.11 is: 25,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.43 : 45,990.32 = 18,219.11 : x
  2. Step 2: Convert to fraction form
    33,325.43/45,990.32 = 18,219.11/x
  3. Step 3: Cross multiply
    33,325.43x = 45,990.32 × 18,219.11
  4. Step 4: Simplify right side
    33,325.43x = 837,902,377.97
  5. Step 5: Solve for x
    x = 837,902,377.97/33,325.43
  6. Step 6: Final answer
    x = 25,143.04

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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.