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Finding the Fourth Proportional to 36,227.40, 54,365.40 and 21,420.60

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Solution

The fourth proportional to 36,227.40, 54,365.40 and 21,420.60 is: 32,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,227.40 : 54,365.40 = 21,420.60 : x
  2. Step 2: Convert to fraction form
    36,227.40/54,365.40 = 21,420.60/x
  3. Step 3: Cross multiply
    36,227.40x = 54,365.40 × 21,420.60
  4. Step 4: Simplify right side
    36,227.40x = 1,164,539,487.24
  5. Step 5: Solve for x
    x = 1,164,539,487.24/36,227.40
  6. Step 6: Final answer
    x = 32,145.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.