Home / 20,494.94-30,739.35-5,702.32

Finding the Fourth Proportional to 20,494.94, 30,739.35 and 5,702.32

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Solution

The fourth proportional to 20,494.94, 30,739.35 and 5,702.32 is: 8,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.94 : 30,739.35 = 5,702.32 : x
  2. Step 2: Convert to fraction form
    20,494.94/30,739.35 = 5,702.32/x
  3. Step 3: Cross multiply
    20,494.94x = 30,739.35 × 5,702.32
  4. Step 4: Simplify right side
    20,494.94x = 175,285,456.60
  5. Step 5: Solve for x
    x = 175,285,456.60/20,494.94
  6. Step 6: Final answer
    x = 8,552.62

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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.