Home / 33,076.35-45,644.31-18,928.89

Finding the Fourth Proportional to 33,076.35, 45,644.31 and 18,928.89

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Solution

The fourth proportional to 33,076.35, 45,644.31 and 18,928.89 is: 26,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.35 : 45,644.31 = 18,928.89 : x
  2. Step 2: Convert to fraction form
    33,076.35/45,644.31 = 18,928.89/x
  3. Step 3: Cross multiply
    33,076.35x = 45,644.31 × 18,928.89
  4. Step 4: Simplify right side
    33,076.35x = 863,996,123.12
  5. Step 5: Solve for x
    x = 863,996,123.12/33,076.35
  6. Step 6: Final answer
    x = 26,121.27

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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.