Home / 31,456.85-47,190.13-11,468.03

Finding the Fourth Proportional to 31,456.85, 47,190.13 and 11,468.03

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Solution

The fourth proportional to 31,456.85, 47,190.13 and 11,468.03 is: 17,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.85 : 47,190.13 = 11,468.03 : x
  2. Step 2: Convert to fraction form
    31,456.85/47,190.13 = 11,468.03/x
  3. Step 3: Cross multiply
    31,456.85x = 47,190.13 × 11,468.03
  4. Step 4: Simplify right side
    31,456.85x = 541,177,561.92
  5. Step 5: Solve for x
    x = 541,177,561.92/31,456.85
  6. Step 6: Final answer
    x = 17,203.81

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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.