Home / 43,361.10-64,998.45-19,946.70

Finding the Fourth Proportional to 43,361.10, 64,998.45 and 19,946.70

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Solution

The fourth proportional to 43,361.10, 64,998.45 and 19,946.70 is: 29,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,361.10 : 64,998.45 = 19,946.70 : x
  2. Step 2: Convert to fraction form
    43,361.10/64,998.45 = 19,946.70/x
  3. Step 3: Cross multiply
    43,361.10x = 64,998.45 × 19,946.70
  4. Step 4: Simplify right side
    43,361.10x = 1,296,504,582.62
  5. Step 5: Solve for x
    x = 1,296,504,582.62/43,361.10
  6. Step 6: Final answer
    x = 29,900.18

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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.