Home / 31,724.20-47,586.84-12,012.04

Finding the Fourth Proportional to 31,724.20, 47,586.84 and 12,012.04

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Solution

The fourth proportional to 31,724.20, 47,586.84 and 12,012.04 is: 18,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.20 : 47,586.84 = 12,012.04 : x
  2. Step 2: Convert to fraction form
    31,724.20/47,586.84 = 12,012.04/x
  3. Step 3: Cross multiply
    31,724.20x = 47,586.84 × 12,012.04
  4. Step 4: Simplify right side
    31,724.20x = 571,614,906.59
  5. Step 5: Solve for x
    x = 571,614,906.59/31,724.20
  6. Step 6: Final answer
    x = 18,018.26

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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.