Home / 37,765.90-52,115.83-20,770.21

Finding the Fourth Proportional to 37,765.90, 52,115.83 and 20,770.21

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Solution

The fourth proportional to 37,765.90, 52,115.83 and 20,770.21 is: 28,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.90 : 52,115.83 = 20,770.21 : x
  2. Step 2: Convert to fraction form
    37,765.90/52,115.83 = 20,770.21/x
  3. Step 3: Cross multiply
    37,765.90x = 52,115.83 × 20,770.21
  4. Step 4: Simplify right side
    37,765.90x = 1,082,456,733.42
  5. Step 5: Solve for x
    x = 1,082,456,733.42/37,765.90
  6. Step 6: Final answer
    x = 28,662.28

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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.