Home / 66,782.14-100,189.41-20,035.02

Finding the Fourth Proportional to 66,782.14, 100,189.41 and 20,035.02

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Solution

The fourth proportional to 66,782.14, 100,189.41 and 20,035.02 is: 30,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,782.14 : 100,189.41 = 20,035.02 : x
  2. Step 2: Convert to fraction form
    66,782.14/100,189.41 = 20,035.02/x
  3. Step 3: Cross multiply
    66,782.14x = 100,189.41 × 20,035.02
  4. Step 4: Simplify right side
    66,782.14x = 2,007,296,833.14
  5. Step 5: Solve for x
    x = 2,007,296,833.14/66,782.14
  6. Step 6: Final answer
    x = 30,057.39

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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.