Home / 30,796.90-46,188.29-8,611.84

Finding the Fourth Proportional to 30,796.90, 46,188.29 and 8,611.84

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Solution

The fourth proportional to 30,796.90, 46,188.29 and 8,611.84 is: 12,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,796.90 : 46,188.29 = 8,611.84 : x
  2. Step 2: Convert to fraction form
    30,796.90/46,188.29 = 8,611.84/x
  3. Step 3: Cross multiply
    30,796.90x = 46,188.29 × 8,611.84
  4. Step 4: Simplify right side
    30,796.90x = 397,765,889.35
  5. Step 5: Solve for x
    x = 397,765,889.35/30,796.90
  6. Step 6: Final answer
    x = 12,915.78

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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.