Home / 43,570.44-65,367-12,408.12

Finding the Fourth Proportional to 43,570.44, 65,367 and 12,408.12

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Solution

The fourth proportional to 43,570.44, 65,367 and 12,408.12 is: 18,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570.44 : 65,367 = 12,408.12 : x
  2. Step 2: Convert to fraction form
    43,570.44/65,367 = 12,408.12/x
  3. Step 3: Cross multiply
    43,570.44x = 65,367 × 12,408.12
  4. Step 4: Simplify right side
    43,570.44x = 811,081,580.04
  5. Step 5: Solve for x
    x = 811,081,580.04/43,570.44
  6. Step 6: Final answer
    x = 18,615.41

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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.