Home / 31,190.31-46,783.92-11,467.62

Finding the Fourth Proportional to 31,190.31, 46,783.92 and 11,467.62

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Solution

The fourth proportional to 31,190.31, 46,783.92 and 11,467.62 is: 17,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.31 : 46,783.92 = 11,467.62 : x
  2. Step 2: Convert to fraction form
    31,190.31/46,783.92 = 11,467.62/x
  3. Step 3: Cross multiply
    31,190.31x = 46,783.92 × 11,467.62
  4. Step 4: Simplify right side
    31,190.31x = 536,500,216.67
  5. Step 5: Solve for x
    x = 536,500,216.67/31,190.31
  6. Step 6: Final answer
    x = 17,200.86

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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.