Home / 31,991.40-48,044.70-30,954.60

Finding the Fourth Proportional to 31,991.40, 48,044.70 and 30,954.60

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Solution

The fourth proportional to 31,991.40, 48,044.70 and 30,954.60 is: 46,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991.40 : 48,044.70 = 30,954.60 : x
  2. Step 2: Convert to fraction form
    31,991.40/48,044.70 = 30,954.60/x
  3. Step 3: Cross multiply
    31,991.40x = 48,044.70 × 30,954.60
  4. Step 4: Simplify right side
    31,991.40x = 1,487,204,470.62
  5. Step 5: Solve for x
    x = 1,487,204,470.62/31,991.40
  6. Step 6: Final answer
    x = 46,487.63

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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.