Home / 31,469.10-47,189.80-16,674.61

Finding the Fourth Proportional to 31,469.10, 47,189.80 and 16,674.61

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Solution

The fourth proportional to 31,469.10, 47,189.80 and 16,674.61 is: 25,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.10 : 47,189.80 = 16,674.61 : x
  2. Step 2: Convert to fraction form
    31,469.10/47,189.80 = 16,674.61/x
  3. Step 3: Cross multiply
    31,469.10x = 47,189.80 × 16,674.61
  4. Step 4: Simplify right side
    31,469.10x = 786,871,510.98
  5. Step 5: Solve for x
    x = 786,871,510.98/31,469.10
  6. Step 6: Final answer
    x = 25,004.58

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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.