Home / 36,489.35-50,360.18-21,387.98

Finding the Fourth Proportional to 36,489.35, 50,360.18 and 21,387.98

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Solution

The fourth proportional to 36,489.35, 50,360.18 and 21,387.98 is: 29,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.35 : 50,360.18 = 21,387.98 : x
  2. Step 2: Convert to fraction form
    36,489.35/50,360.18 = 21,387.98/x
  3. Step 3: Cross multiply
    36,489.35x = 50,360.18 × 21,387.98
  4. Step 4: Simplify right side
    36,489.35x = 1,077,102,163.90
  5. Step 5: Solve for x
    x = 1,077,102,163.90/36,489.35
  6. Step 6: Final answer
    x = 29,518.27

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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.