Home / 43,949.15-65,947.71-18,644.75

Finding the Fourth Proportional to 43,949.15, 65,947.71 and 18,644.75

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Solution

The fourth proportional to 43,949.15, 65,947.71 and 18,644.75 is: 27,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,949.15 : 65,947.71 = 18,644.75 : x
  2. Step 2: Convert to fraction form
    43,949.15/65,947.71 = 18,644.75/x
  3. Step 3: Cross multiply
    43,949.15x = 65,947.71 × 18,644.75
  4. Step 4: Simplify right side
    43,949.15x = 1,229,578,236.28
  5. Step 5: Solve for x
    x = 1,229,578,236.28/43,949.15
  6. Step 6: Final answer
    x = 27,977.30

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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.