Home / 37,172.62-55,709.72-17,415.81

Finding the Fourth Proportional to 37,172.62, 55,709.72 and 17,415.81

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Solution

The fourth proportional to 37,172.62, 55,709.72 and 17,415.81 is: 26,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.62 : 55,709.72 = 17,415.81 : x
  2. Step 2: Convert to fraction form
    37,172.62/55,709.72 = 17,415.81/x
  3. Step 3: Cross multiply
    37,172.62x = 55,709.72 × 17,415.81
  4. Step 4: Simplify right side
    37,172.62x = 970,229,974.87
  5. Step 5: Solve for x
    x = 970,229,974.87/37,172.62
  6. Step 6: Final answer
    x = 26,100.66

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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.