Home / 37,186.39-55,787.84-12,225.43

Finding the Fourth Proportional to 37,186.39, 55,787.84 and 12,225.43

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Solution

The fourth proportional to 37,186.39, 55,787.84 and 12,225.43 is: 18,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186.39 : 55,787.84 = 12,225.43 : x
  2. Step 2: Convert to fraction form
    37,186.39/55,787.84 = 12,225.43/x
  3. Step 3: Cross multiply
    37,186.39x = 55,787.84 × 12,225.43
  4. Step 4: Simplify right side
    37,186.39x = 682,030,387.22
  5. Step 5: Solve for x
    x = 682,030,387.22/37,186.39
  6. Step 6: Final answer
    x = 18,340.86

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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.