Home / 43,380.77-65,076.41-12,216.02

Finding the Fourth Proportional to 43,380.77, 65,076.41 and 12,216.02

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Solution

The fourth proportional to 43,380.77, 65,076.41 and 12,216.02 is: 18,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,380.77 : 65,076.41 = 12,216.02 : x
  2. Step 2: Convert to fraction form
    43,380.77/65,076.41 = 12,216.02/x
  3. Step 3: Cross multiply
    43,380.77x = 65,076.41 × 12,216.02
  4. Step 4: Simplify right side
    43,380.77x = 794,974,431.25
  5. Step 5: Solve for x
    x = 794,974,431.25/43,380.77
  6. Step 6: Final answer
    x = 18,325.51

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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.