Home / 31,152.20-46,728.96-11,163

Finding the Fourth Proportional to 31,152.20, 46,728.96 and 11,163

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Solution

The fourth proportional to 31,152.20, 46,728.96 and 11,163 is: 16,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152.20 : 46,728.96 = 11,163 : x
  2. Step 2: Convert to fraction form
    31,152.20/46,728.96 = 11,163/x
  3. Step 3: Cross multiply
    31,152.20x = 46,728.96 × 11,163
  4. Step 4: Simplify right side
    31,152.20x = 521,635,380.48
  5. Step 5: Solve for x
    x = 521,635,380.48/31,152.20
  6. Step 6: Final answer
    x = 16,744.74

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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.