Home / 34,505.85-47,616.97-19,399.15

Finding the Fourth Proportional to 34,505.85, 47,616.97 and 19,399.15

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Solution

The fourth proportional to 34,505.85, 47,616.97 and 19,399.15 is: 26,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,505.85 : 47,616.97 = 19,399.15 : x
  2. Step 2: Convert to fraction form
    34,505.85/47,616.97 = 19,399.15/x
  3. Step 3: Cross multiply
    34,505.85x = 47,616.97 × 19,399.15
  4. Step 4: Simplify right side
    34,505.85x = 923,728,408.49
  5. Step 5: Solve for x
    x = 923,728,408.49/34,505.85
  6. Step 6: Final answer
    x = 26,770.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.