Home / 30,980.56-46,470.75-8,793.96

Finding the Fourth Proportional to 30,980.56, 46,470.75 and 8,793.96

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Solution

The fourth proportional to 30,980.56, 46,470.75 and 8,793.96 is: 13,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.56 : 46,470.75 = 8,793.96 : x
  2. Step 2: Convert to fraction form
    30,980.56/46,470.75 = 8,793.96/x
  3. Step 3: Cross multiply
    30,980.56x = 46,470.75 × 8,793.96
  4. Step 4: Simplify right side
    30,980.56x = 408,661,822.48
  5. Step 5: Solve for x
    x = 408,661,822.48/30,980.56
  6. Step 6: Final answer
    x = 13,190.91

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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.