Home / 31,883.42-47,829.56-14,112.68

Finding the Fourth Proportional to 31,883.42, 47,829.56 and 14,112.68

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Solution

The fourth proportional to 31,883.42, 47,829.56 and 14,112.68 is: 21,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,883.42 : 47,829.56 = 14,112.68 : x
  2. Step 2: Convert to fraction form
    31,883.42/47,829.56 = 14,112.68/x
  3. Step 3: Cross multiply
    31,883.42x = 47,829.56 × 14,112.68
  4. Step 4: Simplify right side
    31,883.42x = 675,003,035.67
  5. Step 5: Solve for x
    x = 675,003,035.67/31,883.42
  6. Step 6: Final answer
    x = 21,170.97

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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.