Home / 37,563.20-51,837.12-20,796.80

Finding the Fourth Proportional to 37,563.20, 51,837.12 and 20,796.80

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Solution

The fourth proportional to 37,563.20, 51,837.12 and 20,796.80 is: 28,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,563.20 : 51,837.12 = 20,796.80 : x
  2. Step 2: Convert to fraction form
    37,563.20/51,837.12 = 20,796.80/x
  3. Step 3: Cross multiply
    37,563.20x = 51,837.12 × 20,796.80
  4. Step 4: Simplify right side
    37,563.20x = 1,078,046,217.22
  5. Step 5: Solve for x
    x = 1,078,046,217.22/37,563.20
  6. Step 6: Final answer
    x = 28,699.53

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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.