Home / 35,450.20-53,149.70-19,872.60

Finding the Fourth Proportional to 35,450.20, 53,149.70 and 19,872.60

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Solution

The fourth proportional to 35,450.20, 53,149.70 and 19,872.60 is: 29,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.20 : 53,149.70 = 19,872.60 : x
  2. Step 2: Convert to fraction form
    35,450.20/53,149.70 = 19,872.60/x
  3. Step 3: Cross multiply
    35,450.20x = 53,149.70 × 19,872.60
  4. Step 4: Simplify right side
    35,450.20x = 1,056,222,728.22
  5. Step 5: Solve for x
    x = 1,056,222,728.22/35,450.20
  6. Step 6: Final answer
    x = 29,794.55

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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.