Home / 37,131.82-51,241.21-20,998.85

Finding the Fourth Proportional to 37,131.82, 51,241.21 and 20,998.85

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Solution

The fourth proportional to 37,131.82, 51,241.21 and 20,998.85 is: 28,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.82 : 51,241.21 = 20,998.85 : x
  2. Step 2: Convert to fraction form
    37,131.82/51,241.21 = 20,998.85/x
  3. Step 3: Cross multiply
    37,131.82x = 51,241.21 × 20,998.85
  4. Step 4: Simplify right side
    37,131.82x = 1,076,006,173.91
  5. Step 5: Solve for x
    x = 1,076,006,173.91/37,131.82
  6. Step 6: Final answer
    x = 28,978.01

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Double scale
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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.