Home / 36,172.58-54,251.78-9,871.07

Finding the Fourth Proportional to 36,172.58, 54,251.78 and 9,871.07

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Solution

The fourth proportional to 36,172.58, 54,251.78 and 9,871.07 is: 14,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.58 : 54,251.78 = 9,871.07 : x
  2. Step 2: Convert to fraction form
    36,172.58/54,251.78 = 9,871.07/x
  3. Step 3: Cross multiply
    36,172.58x = 54,251.78 × 9,871.07
  4. Step 4: Simplify right side
    36,172.58x = 535,522,797.39
  5. Step 5: Solve for x
    x = 535,522,797.39/36,172.58
  6. Step 6: Final answer
    x = 14,804.66

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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.