Home / 31,723.03-47,588.73-11,729.80

Finding the Fourth Proportional to 31,723.03, 47,588.73 and 11,729.80

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Solution

The fourth proportional to 31,723.03, 47,588.73 and 11,729.80 is: 17,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.03 : 47,588.73 = 11,729.80 : x
  2. Step 2: Convert to fraction form
    31,723.03/47,588.73 = 11,729.80/x
  3. Step 3: Cross multiply
    31,723.03x = 47,588.73 × 11,729.80
  4. Step 4: Simplify right side
    31,723.03x = 558,206,285.15
  5. Step 5: Solve for x
    x = 558,206,285.15/31,723.03
  6. Step 6: Final answer
    x = 17,596.25

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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.