Home / 36,745.18-50,708.58-21,638.50

Finding the Fourth Proportional to 36,745.18, 50,708.58 and 21,638.50

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Solution

The fourth proportional to 36,745.18, 50,708.58 and 21,638.50 is: 29,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,745.18 : 50,708.58 = 21,638.50 : x
  2. Step 2: Convert to fraction form
    36,745.18/50,708.58 = 21,638.50/x
  3. Step 3: Cross multiply
    36,745.18x = 50,708.58 × 21,638.50
  4. Step 4: Simplify right side
    36,745.18x = 1,097,257,608.33
  5. Step 5: Solve for x
    x = 1,097,257,608.33/36,745.18
  6. Step 6: Final answer
    x = 29,861.27

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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.