Home / 36,084.10-54,057.30-19,438.60

Finding the Fourth Proportional to 36,084.10, 54,057.30 and 19,438.60

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Solution

The fourth proportional to 36,084.10, 54,057.30 and 19,438.60 is: 29,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,084.10 : 54,057.30 = 19,438.60 : x
  2. Step 2: Convert to fraction form
    36,084.10/54,057.30 = 19,438.60/x
  3. Step 3: Cross multiply
    36,084.10x = 54,057.30 × 19,438.60
  4. Step 4: Simplify right side
    36,084.10x = 1,050,798,231.78
  5. Step 5: Solve for x
    x = 1,050,798,231.78/36,084.10
  6. Step 6: Final answer
    x = 29,120.81

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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.