Home / 36,997.80-51,047.12-21,081.91

Finding the Fourth Proportional to 36,997.80, 51,047.12 and 21,081.91

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Solution

The fourth proportional to 36,997.80, 51,047.12 and 21,081.91 is: 29,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,997.80 : 51,047.12 = 21,081.91 : x
  2. Step 2: Convert to fraction form
    36,997.80/51,047.12 = 21,081.91/x
  3. Step 3: Cross multiply
    36,997.80x = 51,047.12 × 21,081.91
  4. Step 4: Simplify right side
    36,997.80x = 1,076,170,789.60
  5. Step 5: Solve for x
    x = 1,076,170,789.60/36,997.80
  6. Step 6: Final answer
    x = 29,087.43

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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.