Home / 31,583.82-47,359.79-11,848.48

Finding the Fourth Proportional to 31,583.82, 47,359.79 and 11,848.48

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Solution

The fourth proportional to 31,583.82, 47,359.79 and 11,848.48 is: 17,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.82 : 47,359.79 = 11,848.48 : x
  2. Step 2: Convert to fraction form
    31,583.82/47,359.79 = 11,848.48/x
  3. Step 3: Cross multiply
    31,583.82x = 47,359.79 × 11,848.48
  4. Step 4: Simplify right side
    31,583.82x = 561,141,391.41
  5. Step 5: Solve for x
    x = 561,141,391.41/31,583.82
  6. Step 6: Final answer
    x = 17,766.73

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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.