Home / 43,789.68-65,694.24-12,622.50

Finding the Fourth Proportional to 43,789.68, 65,694.24 and 12,622.50

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Solution

The fourth proportional to 43,789.68, 65,694.24 and 12,622.50 is: 18,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,789.68 : 65,694.24 = 12,622.50 : x
  2. Step 2: Convert to fraction form
    43,789.68/65,694.24 = 12,622.50/x
  3. Step 3: Cross multiply
    43,789.68x = 65,694.24 × 12,622.50
  4. Step 4: Simplify right side
    43,789.68x = 829,225,544.40
  5. Step 5: Solve for x
    x = 829,225,544.40/43,789.68
  6. Step 6: Final answer
    x = 18,936.55

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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.