Home / 33,240.93-45,876.90-21,142.54

Finding the Fourth Proportional to 33,240.93, 45,876.90 and 21,142.54

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Solution

The fourth proportional to 33,240.93, 45,876.90 and 21,142.54 is: 29,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.93 : 45,876.90 = 21,142.54 : x
  2. Step 2: Convert to fraction form
    33,240.93/45,876.90 = 21,142.54/x
  3. Step 3: Cross multiply
    33,240.93x = 45,876.90 × 21,142.54
  4. Step 4: Simplify right side
    33,240.93x = 969,954,193.33
  5. Step 5: Solve for x
    x = 969,954,193.33/33,240.93
  6. Step 6: Final answer
    x = 29,179.51

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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.