Home / 31,792.19-47,704.68-13,086.05

Finding the Fourth Proportional to 31,792.19, 47,704.68 and 13,086.05

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Solution

The fourth proportional to 31,792.19, 47,704.68 and 13,086.05 is: 19,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.19 : 47,704.68 = 13,086.05 : x
  2. Step 2: Convert to fraction form
    31,792.19/47,704.68 = 13,086.05/x
  3. Step 3: Cross multiply
    31,792.19x = 47,704.68 × 13,086.05
  4. Step 4: Simplify right side
    31,792.19x = 624,265,589.19
  5. Step 5: Solve for x
    x = 624,265,589.19/31,792.19
  6. Step 6: Final answer
    x = 19,635.82

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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.