Home / 43,868.10-65,807.62-14,278

Finding the Fourth Proportional to 43,868.10, 65,807.62 and 14,278

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Solution

The fourth proportional to 43,868.10, 65,807.62 and 14,278 is: 21,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,868.10 : 65,807.62 = 14,278 : x
  2. Step 2: Convert to fraction form
    43,868.10/65,807.62 = 14,278/x
  3. Step 3: Cross multiply
    43,868.10x = 65,807.62 × 14,278
  4. Step 4: Simplify right side
    43,868.10x = 939,601,198.36
  5. Step 5: Solve for x
    x = 939,601,198.36/43,868.10
  6. Step 6: Final answer
    x = 21,418.78

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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.