Home / 36,151.46-54,221.86-21,165.50

Finding the Fourth Proportional to 36,151.46, 54,221.86 and 21,165.50

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Solution

The fourth proportional to 36,151.46, 54,221.86 and 21,165.50 is: 31,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.46 : 54,221.86 = 21,165.50 : x
  2. Step 2: Convert to fraction form
    36,151.46/54,221.86 = 21,165.50/x
  3. Step 3: Cross multiply
    36,151.46x = 54,221.86 × 21,165.50
  4. Step 4: Simplify right side
    36,151.46x = 1,147,632,820.79
  5. Step 5: Solve for x
    x = 1,147,632,820.79/36,151.46
  6. Step 6: Final answer
    x = 31,745.13

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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.