Home / 43,912.90-65,846.94-14,311.72

Finding the Fourth Proportional to 43,912.90, 65,846.94 and 14,311.72

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Solution

The fourth proportional to 43,912.90, 65,846.94 and 14,311.72 is: 21,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,912.90 : 65,846.94 = 14,311.72 : x
  2. Step 2: Convert to fraction form
    43,912.90/65,846.94 = 14,311.72/x
  3. Step 3: Cross multiply
    43,912.90x = 65,846.94 × 14,311.72
  4. Step 4: Simplify right side
    43,912.90x = 942,382,968.14
  5. Step 5: Solve for x
    x = 942,382,968.14/43,912.90
  6. Step 6: Final answer
    x = 21,460.28

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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.