Home / 47,391.46-71,086.98-19,305.25

Finding the Fourth Proportional to 47,391.46, 71,086.98 and 19,305.25

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Solution

The fourth proportional to 47,391.46, 71,086.98 and 19,305.25 is: 28,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.46 : 71,086.98 = 19,305.25 : x
  2. Step 2: Convert to fraction form
    47,391.46/71,086.98 = 19,305.25/x
  3. Step 3: Cross multiply
    47,391.46x = 71,086.98 × 19,305.25
  4. Step 4: Simplify right side
    47,391.46x = 1,372,351,815.32
  5. Step 5: Solve for x
    x = 1,372,351,815.32/47,391.46
  6. Step 6: Final answer
    x = 28,957.79

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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.