Home / 37,761.82-52,112.64-20,767.35

Finding the Fourth Proportional to 37,761.82, 52,112.64 and 20,767.35

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Solution

The fourth proportional to 37,761.82, 52,112.64 and 20,767.35 is: 28,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,761.82 : 52,112.64 = 20,767.35 : x
  2. Step 2: Convert to fraction form
    37,761.82/52,112.64 = 20,767.35/x
  3. Step 3: Cross multiply
    37,761.82x = 52,112.64 × 20,767.35
  4. Step 4: Simplify right side
    37,761.82x = 1,082,241,707.60
  5. Step 5: Solve for x
    x = 1,082,241,707.60/37,761.82
  6. Step 6: Final answer
    x = 28,659.68

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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.