Home / 20,255.04-30,338.82-19,759.32

Finding the Fourth Proportional to 20,255.04, 30,338.82 and 19,759.32

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Solution

The fourth proportional to 20,255.04, 30,338.82 and 19,759.32 is: 29,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.04 : 30,338.82 = 19,759.32 : x
  2. Step 2: Convert to fraction form
    20,255.04/30,338.82 = 19,759.32/x
  3. Step 3: Cross multiply
    20,255.04x = 30,338.82 × 19,759.32
  4. Step 4: Simplify right side
    20,255.04x = 599,474,452.80
  5. Step 5: Solve for x
    x = 599,474,452.80/20,255.04
  6. Step 6: Final answer
    x = 29,596.31

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1.5x scale

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.