Home / 31,787.24-47,682.07-10,727.64

Finding the Fourth Proportional to 31,787.24, 47,682.07 and 10,727.64

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Solution

The fourth proportional to 31,787.24, 47,682.07 and 10,727.64 is: 16,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.24 : 47,682.07 = 10,727.64 : x
  2. Step 2: Convert to fraction form
    31,787.24/47,682.07 = 10,727.64/x
  3. Step 3: Cross multiply
    31,787.24x = 47,682.07 × 10,727.64
  4. Step 4: Simplify right side
    31,787.24x = 511,516,054.60
  5. Step 5: Solve for x
    x = 511,516,054.60/31,787.24
  6. Step 6: Final answer
    x = 16,091.87

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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.