Home / 38,786.22-58,181.64-12,137.19

Finding the Fourth Proportional to 38,786.22, 58,181.64 and 12,137.19

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Solution

The fourth proportional to 38,786.22, 58,181.64 and 12,137.19 is: 18,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,786.22 : 58,181.64 = 12,137.19 : x
  2. Step 2: Convert to fraction form
    38,786.22/58,181.64 = 12,137.19/x
  3. Step 3: Cross multiply
    38,786.22x = 58,181.64 × 12,137.19
  4. Step 4: Simplify right side
    38,786.22x = 706,161,619.19
  5. Step 5: Solve for x
    x = 706,161,619.19/38,786.22
  6. Step 6: Final answer
    x = 18,206.51

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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.