Home / 31,458.35-47,192.38-11,469.53

Finding the Fourth Proportional to 31,458.35, 47,192.38 and 11,469.53

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Solution

The fourth proportional to 31,458.35, 47,192.38 and 11,469.53 is: 17,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.35 : 47,192.38 = 11,469.53 : x
  2. Step 2: Convert to fraction form
    31,458.35/47,192.38 = 11,469.53/x
  3. Step 3: Cross multiply
    31,458.35x = 47,192.38 × 11,469.53
  4. Step 4: Simplify right side
    31,458.35x = 541,274,418.18
  5. Step 5: Solve for x
    x = 541,274,418.18/31,458.35
  6. Step 6: Final answer
    x = 17,206.07

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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.