Home / 43,617.80-65,427.10-12,028.41

Finding the Fourth Proportional to 43,617.80, 65,427.10 and 12,028.41

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Solution

The fourth proportional to 43,617.80, 65,427.10 and 12,028.41 is: 18,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,617.80 : 65,427.10 = 12,028.41 : x
  2. Step 2: Convert to fraction form
    43,617.80/65,427.10 = 12,028.41/x
  3. Step 3: Cross multiply
    43,617.80x = 65,427.10 × 12,028.41
  4. Step 4: Simplify right side
    43,617.80x = 786,983,656.78
  5. Step 5: Solve for x
    x = 786,983,656.78/43,617.80
  6. Step 6: Final answer
    x = 18,042.72

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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.