Home / 43,523.30-65,289-15,440.60

Finding the Fourth Proportional to 43,523.30, 65,289 and 15,440.60

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Solution

The fourth proportional to 43,523.30, 65,289 and 15,440.60 is: 23,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,523.30 : 65,289 = 15,440.60 : x
  2. Step 2: Convert to fraction form
    43,523.30/65,289 = 15,440.60/x
  3. Step 3: Cross multiply
    43,523.30x = 65,289 × 15,440.60
  4. Step 4: Simplify right side
    43,523.30x = 1,008,101,333.40
  5. Step 5: Solve for x
    x = 1,008,101,333.40/43,523.30
  6. Step 6: Final answer
    x = 23,162.34

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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.