Home / 31,664.79-47,504.21-11,943.54

Finding the Fourth Proportional to 31,664.79, 47,504.21 and 11,943.54

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Solution

The fourth proportional to 31,664.79, 47,504.21 and 11,943.54 is: 17,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.79 : 47,504.21 = 11,943.54 : x
  2. Step 2: Convert to fraction form
    31,664.79/47,504.21 = 11,943.54/x
  3. Step 3: Cross multiply
    31,664.79x = 47,504.21 × 11,943.54
  4. Step 4: Simplify right side
    31,664.79x = 567,368,372.59
  5. Step 5: Solve for x
    x = 567,368,372.59/31,664.79
  6. Step 6: Final answer
    x = 17,917.96

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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.