Home / 37,755.28-52,102.48-20,760.61

Finding the Fourth Proportional to 37,755.28, 52,102.48 and 20,760.61

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Solution

The fourth proportional to 37,755.28, 52,102.48 and 20,760.61 is: 28,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,755.28 : 52,102.48 = 20,760.61 : x
  2. Step 2: Convert to fraction form
    37,755.28/52,102.48 = 20,760.61/x
  3. Step 3: Cross multiply
    37,755.28x = 52,102.48 × 20,760.61
  4. Step 4: Simplify right side
    37,755.28x = 1,081,679,267.31
  5. Step 5: Solve for x
    x = 1,081,679,267.31/37,755.28
  6. Step 6: Final answer
    x = 28,649.75

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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.