Home / 37,121.25-51,229.77-20,354.25

Finding the Fourth Proportional to 37,121.25, 51,229.77 and 20,354.25

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Solution

The fourth proportional to 37,121.25, 51,229.77 and 20,354.25 is: 28,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.25 : 51,229.77 = 20,354.25 : x
  2. Step 2: Convert to fraction form
    37,121.25/51,229.77 = 20,354.25/x
  3. Step 3: Cross multiply
    37,121.25x = 51,229.77 × 20,354.25
  4. Step 4: Simplify right side
    37,121.25x = 1,042,743,546.02
  5. Step 5: Solve for x
    x = 1,042,743,546.02/37,121.25
  6. Step 6: Final answer
    x = 28,090.21

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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.