Home / 36,539.30-54,650.63-21,510.61

Finding the Fourth Proportional to 36,539.30, 54,650.63 and 21,510.61

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Solution

The fourth proportional to 36,539.30, 54,650.63 and 21,510.61 is: 32,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,539.30 : 54,650.63 = 21,510.61 : x
  2. Step 2: Convert to fraction form
    36,539.30/54,650.63 = 21,510.61/x
  3. Step 3: Cross multiply
    36,539.30x = 54,650.63 × 21,510.61
  4. Step 4: Simplify right side
    36,539.30x = 1,175,568,305.33
  5. Step 5: Solve for x
    x = 1,175,568,305.33/36,539.30
  6. Step 6: Final answer
    x = 32,172.71

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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.