Home / 31,679.94-47,530.46-10,622.06

Finding the Fourth Proportional to 31,679.94, 47,530.46 and 10,622.06

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Solution

The fourth proportional to 31,679.94, 47,530.46 and 10,622.06 is: 15,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.94 : 47,530.46 = 10,622.06 : x
  2. Step 2: Convert to fraction form
    31,679.94/47,530.46 = 10,622.06/x
  3. Step 3: Cross multiply
    31,679.94x = 47,530.46 × 10,622.06
  4. Step 4: Simplify right side
    31,679.94x = 504,871,107.19
  5. Step 5: Solve for x
    x = 504,871,107.19/31,679.94
  6. Step 6: Final answer
    x = 15,936.62

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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.