Home / 37,765.86-52,115.85-20,770.14

Finding the Fourth Proportional to 37,765.86, 52,115.85 and 20,770.14

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Solution

The fourth proportional to 37,765.86, 52,115.85 and 20,770.14 is: 28,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.86 : 52,115.85 = 20,770.14 : x
  2. Step 2: Convert to fraction form
    37,765.86/52,115.85 = 20,770.14/x
  3. Step 3: Cross multiply
    37,765.86x = 52,115.85 × 20,770.14
  4. Step 4: Simplify right side
    37,765.86x = 1,082,453,500.72
  5. Step 5: Solve for x
    x = 1,082,453,500.72/37,765.86
  6. Step 6: Final answer
    x = 28,662.22

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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.