Home / 31,396.44-47,056.35-17,355.90

Finding the Fourth Proportional to 31,396.44, 47,056.35 and 17,355.90

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Solution

The fourth proportional to 31,396.44, 47,056.35 and 17,355.90 is: 26,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.44 : 47,056.35 = 17,355.90 : x
  2. Step 2: Convert to fraction form
    31,396.44/47,056.35 = 17,355.90/x
  3. Step 3: Cross multiply
    31,396.44x = 47,056.35 × 17,355.90
  4. Step 4: Simplify right side
    31,396.44x = 816,705,304.97
  5. Step 5: Solve for x
    x = 816,705,304.97/31,396.44
  6. Step 6: Final answer
    x = 26,012.67

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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.