Home / 31,947.25-47,923.35-9,760.81

Finding the Fourth Proportional to 31,947.25, 47,923.35 and 9,760.81

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Solution

The fourth proportional to 31,947.25, 47,923.35 and 9,760.81 is: 14,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.25 : 47,923.35 = 9,760.81 : x
  2. Step 2: Convert to fraction form
    31,947.25/47,923.35 = 9,760.81/x
  3. Step 3: Cross multiply
    31,947.25x = 47,923.35 × 9,760.81
  4. Step 4: Simplify right side
    31,947.25x = 467,770,713.91
  5. Step 5: Solve for x
    x = 467,770,713.91/31,947.25
  6. Step 6: Final answer
    x = 14,641.97

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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.