Home / 33,141.78-45,734.31-18,984.78

Finding the Fourth Proportional to 33,141.78, 45,734.31 and 18,984.78

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Solution

The fourth proportional to 33,141.78, 45,734.31 and 18,984.78 is: 26,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,141.78 : 45,734.31 = 18,984.78 : x
  2. Step 2: Convert to fraction form
    33,141.78/45,734.31 = 18,984.78/x
  3. Step 3: Cross multiply
    33,141.78x = 45,734.31 × 18,984.78
  4. Step 4: Simplify right side
    33,141.78x = 868,255,813.80
  5. Step 5: Solve for x
    x = 868,255,813.80/33,141.78
  6. Step 6: Final answer
    x = 26,198.23

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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.