Home / 33,112.20-49,629.90-13,377.80

Finding the Fourth Proportional to 33,112.20, 49,629.90 and 13,377.80

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Solution

The fourth proportional to 33,112.20, 49,629.90 and 13,377.80 is: 20,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.20 : 49,629.90 = 13,377.80 : x
  2. Step 2: Convert to fraction form
    33,112.20/49,629.90 = 13,377.80/x
  3. Step 3: Cross multiply
    33,112.20x = 49,629.90 × 13,377.80
  4. Step 4: Simplify right side
    33,112.20x = 663,938,876.22
  5. Step 5: Solve for x
    x = 663,938,876.22/33,112.20
  6. Step 6: Final answer
    x = 20,051.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.