Home / 31,922.34-47,833.84-12,190.13

Finding the Fourth Proportional to 31,922.34, 47,833.84 and 12,190.13

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Solution

The fourth proportional to 31,922.34, 47,833.84 and 12,190.13 is: 18,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.34 : 47,833.84 = 12,190.13 : x
  2. Step 2: Convert to fraction form
    31,922.34/47,833.84 = 12,190.13/x
  3. Step 3: Cross multiply
    31,922.34x = 47,833.84 × 12,190.13
  4. Step 4: Simplify right side
    31,922.34x = 583,100,683.44
  5. Step 5: Solve for x
    x = 583,100,683.44/31,922.34
  6. Step 6: Final answer
    x = 18,266.23

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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.