Home / 37,149.65-55,722.51-12,186.41

Finding the Fourth Proportional to 37,149.65, 55,722.51 and 12,186.41

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Solution

The fourth proportional to 37,149.65, 55,722.51 and 12,186.41 is: 18,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.65 : 55,722.51 = 12,186.41 : x
  2. Step 2: Convert to fraction form
    37,149.65/55,722.51 = 12,186.41/x
  3. Step 3: Cross multiply
    37,149.65x = 55,722.51 × 12,186.41
  4. Step 4: Simplify right side
    37,149.65x = 679,057,353.09
  5. Step 5: Solve for x
    x = 679,057,353.09/37,149.65
  6. Step 6: Final answer
    x = 18,278.97

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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.