Home / 37,761.20-52,110.37-20,766.49

Finding the Fourth Proportional to 37,761.20, 52,110.37 and 20,766.49

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Solution

The fourth proportional to 37,761.20, 52,110.37 and 20,766.49 is: 28,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,761.20 : 52,110.37 = 20,766.49 : x
  2. Step 2: Convert to fraction form
    37,761.20/52,110.37 = 20,766.49/x
  3. Step 3: Cross multiply
    37,761.20x = 52,110.37 × 20,766.49
  4. Step 4: Simplify right side
    37,761.20x = 1,082,149,113.12
  5. Step 5: Solve for x
    x = 1,082,149,113.12/37,761.20
  6. Step 6: Final answer
    x = 28,657.70

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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.