Home / 31,848.12-47,791.38-11,086.20

Finding the Fourth Proportional to 31,848.12, 47,791.38 and 11,086.20

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Solution

The fourth proportional to 31,848.12, 47,791.38 and 11,086.20 is: 16,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.12 : 47,791.38 = 11,086.20 : x
  2. Step 2: Convert to fraction form
    31,848.12/47,791.38 = 11,086.20/x
  3. Step 3: Cross multiply
    31,848.12x = 47,791.38 × 11,086.20
  4. Step 4: Simplify right side
    31,848.12x = 529,824,796.96
  5. Step 5: Solve for x
    x = 529,824,796.96/31,848.12
  6. Step 6: Final answer
    x = 16,635.98

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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.