Home / 43,328.73-65,004.03-12,163.98

Finding the Fourth Proportional to 43,328.73, 65,004.03 and 12,163.98

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Solution

The fourth proportional to 43,328.73, 65,004.03 and 12,163.98 is: 18,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.73 : 65,004.03 = 12,163.98 : x
  2. Step 2: Convert to fraction form
    43,328.73/65,004.03 = 12,163.98/x
  3. Step 3: Cross multiply
    43,328.73x = 65,004.03 × 12,163.98
  4. Step 4: Simplify right side
    43,328.73x = 790,707,720.84
  5. Step 5: Solve for x
    x = 790,707,720.84/43,328.73
  6. Step 6: Final answer
    x = 18,249.04

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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.