Home / 36,471.48-50,331.30-21,375

Finding the Fourth Proportional to 36,471.48, 50,331.30 and 21,375

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Solution

The fourth proportional to 36,471.48, 50,331.30 and 21,375 is: 29,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,471.48 : 50,331.30 = 21,375 : x
  2. Step 2: Convert to fraction form
    36,471.48/50,331.30 = 21,375/x
  3. Step 3: Cross multiply
    36,471.48x = 50,331.30 × 21,375
  4. Step 4: Simplify right side
    36,471.48x = 1,075,831,537.50
  5. Step 5: Solve for x
    x = 1,075,831,537.50/36,471.48
  6. Step 6: Final answer
    x = 29,497.89

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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.