Home / 29,004.40-43,420.20-17,311.60

Finding the Fourth Proportional to 29,004.40, 43,420.20 and 17,311.60

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Solution

The fourth proportional to 29,004.40, 43,420.20 and 17,311.60 is: 25,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,004.40 : 43,420.20 = 17,311.60 : x
  2. Step 2: Convert to fraction form
    29,004.40/43,420.20 = 17,311.60/x
  3. Step 3: Cross multiply
    29,004.40x = 43,420.20 × 17,311.60
  4. Step 4: Simplify right side
    29,004.40x = 751,673,134.32
  5. Step 5: Solve for x
    x = 751,673,134.32/29,004.40
  6. Step 6: Final answer
    x = 25,915.83

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1.5x scale

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.