Home / 33,135.42-45,725.19-19,706.46

Finding the Fourth Proportional to 33,135.42, 45,725.19 and 19,706.46

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Solution

The fourth proportional to 33,135.42, 45,725.19 and 19,706.46 is: 27,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.42 : 45,725.19 = 19,706.46 : x
  2. Step 2: Convert to fraction form
    33,135.42/45,725.19 = 19,706.46/x
  3. Step 3: Cross multiply
    33,135.42x = 45,725.19 × 19,706.46
  4. Step 4: Simplify right side
    33,135.42x = 901,081,627.73
  5. Step 5: Solve for x
    x = 901,081,627.73/33,135.42
  6. Step 6: Final answer
    x = 27,193.91

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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.