Home / 33,069.43-45,638.64-18,731.82

Finding the Fourth Proportional to 33,069.43, 45,638.64 and 18,731.82

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Solution

The fourth proportional to 33,069.43, 45,638.64 and 18,731.82 is: 25,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.43 : 45,638.64 = 18,731.82 : x
  2. Step 2: Convert to fraction form
    33,069.43/45,638.64 = 18,731.82/x
  3. Step 3: Cross multiply
    33,069.43x = 45,638.64 × 18,731.82
  4. Step 4: Simplify right side
    33,069.43x = 854,894,719.28
  5. Step 5: Solve for x
    x = 854,894,719.28/33,069.43
  6. Step 6: Final answer
    x = 25,851.51

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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.