Home / 43,573.26-65,370.82-12,408.50

Finding the Fourth Proportional to 43,573.26, 65,370.82 and 12,408.50

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Solution

The fourth proportional to 43,573.26, 65,370.82 and 12,408.50 is: 18,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.26 : 65,370.82 = 12,408.50 : x
  2. Step 2: Convert to fraction form
    43,573.26/65,370.82 = 12,408.50/x
  3. Step 3: Cross multiply
    43,573.26x = 65,370.82 × 12,408.50
  4. Step 4: Simplify right side
    43,573.26x = 811,153,819.97
  5. Step 5: Solve for x
    x = 811,153,819.97/43,573.26
  6. Step 6: Final answer
    x = 18,615.86

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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.