Home / 37,760.40-52,108.20-20,764.56

Finding the Fourth Proportional to 37,760.40, 52,108.20 and 20,764.56

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Solution

The fourth proportional to 37,760.40, 52,108.20 and 20,764.56 is: 28,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,760.40 : 52,108.20 = 20,764.56 : x
  2. Step 2: Convert to fraction form
    37,760.40/52,108.20 = 20,764.56/x
  3. Step 3: Cross multiply
    37,760.40x = 52,108.20 × 20,764.56
  4. Step 4: Simplify right side
    37,760.40x = 1,082,003,845.39
  5. Step 5: Solve for x
    x = 1,082,003,845.39/37,760.40
  6. Step 6: Final answer
    x = 28,654.46

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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.