Home / 43,350.60-64,982.70-19,936.20

Finding the Fourth Proportional to 43,350.60, 64,982.70 and 19,936.20

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Solution

The fourth proportional to 43,350.60, 64,982.70 and 19,936.20 is: 29,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350.60 : 64,982.70 = 19,936.20 : x
  2. Step 2: Convert to fraction form
    43,350.60/64,982.70 = 19,936.20/x
  3. Step 3: Cross multiply
    43,350.60x = 64,982.70 × 19,936.20
  4. Step 4: Simplify right side
    43,350.60x = 1,295,508,103.74
  5. Step 5: Solve for x
    x = 1,295,508,103.74/43,350.60
  6. Step 6: Final answer
    x = 29,884.43

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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.