Home / 37,186.22-55,731.94-17,421.21

Finding the Fourth Proportional to 37,186.22, 55,731.94 and 17,421.21

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Solution

The fourth proportional to 37,186.22, 55,731.94 and 17,421.21 is: 26,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186.22 : 55,731.94 = 17,421.21 : x
  2. Step 2: Convert to fraction form
    37,186.22/55,731.94 = 17,421.21/x
  3. Step 3: Cross multiply
    37,186.22x = 55,731.94 × 17,421.21
  4. Step 4: Simplify right side
    37,186.22x = 970,917,786.89
  5. Step 5: Solve for x
    x = 970,917,786.89/37,186.22
  6. Step 6: Final answer
    x = 26,109.61

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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.