Home / 37,765.82-52,115.79-20,770.06

Finding the Fourth Proportional to 37,765.82, 52,115.79 and 20,770.06

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Solution

The fourth proportional to 37,765.82, 52,115.79 and 20,770.06 is: 28,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.82 : 52,115.79 = 20,770.06 : x
  2. Step 2: Convert to fraction form
    37,765.82/52,115.79 = 20,770.06/x
  3. Step 3: Cross multiply
    37,765.82x = 52,115.79 × 20,770.06
  4. Step 4: Simplify right side
    37,765.82x = 1,082,448,160.31
  5. Step 5: Solve for x
    x = 1,082,448,160.31/37,765.82
  6. Step 6: Final answer
    x = 28,662.11

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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.