Home / 43,435.02-65,163.77-12,270.27

Finding the Fourth Proportional to 43,435.02, 65,163.77 and 12,270.27

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Solution

The fourth proportional to 43,435.02, 65,163.77 and 12,270.27 is: 18,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,435.02 : 65,163.77 = 12,270.27 : x
  2. Step 2: Convert to fraction form
    43,435.02/65,163.77 = 12,270.27/x
  3. Step 3: Cross multiply
    43,435.02x = 65,163.77 × 12,270.27
  4. Step 4: Simplify right side
    43,435.02x = 799,577,052.12
  5. Step 5: Solve for x
    x = 799,577,052.12/43,435.02
  6. Step 6: Final answer
    x = 18,408.58

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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.