Home / 36,997.20-51,020.28-31,331.52

Finding the Fourth Proportional to 36,997.20, 51,020.28 and 31,331.52

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Solution

The fourth proportional to 36,997.20, 51,020.28 and 31,331.52 is: 43,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,997.20 : 51,020.28 = 31,331.52 : x
  2. Step 2: Convert to fraction form
    36,997.20/51,020.28 = 31,331.52/x
  3. Step 3: Cross multiply
    36,997.20x = 51,020.28 × 31,331.52
  4. Step 4: Simplify right side
    36,997.20x = 1,598,542,923.23
  5. Step 5: Solve for x
    x = 1,598,542,923.23/36,997.20
  6. Step 6: Final answer
    x = 43,207.13

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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.