Home / 36,745.60-50,707.45-21,638.89

Finding the Fourth Proportional to 36,745.60, 50,707.45 and 21,638.89

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Solution

The fourth proportional to 36,745.60, 50,707.45 and 21,638.89 is: 29,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,745.60 : 50,707.45 = 21,638.89 : x
  2. Step 2: Convert to fraction form
    36,745.60/50,707.45 = 21,638.89/x
  3. Step 3: Cross multiply
    36,745.60x = 50,707.45 × 21,638.89
  4. Step 4: Simplify right side
    36,745.60x = 1,097,253,059.50
  5. Step 5: Solve for x
    x = 1,097,253,059.50/36,745.60
  6. Step 6: Final answer
    x = 29,860.81

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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.