Home / 31,433.22-47,149.25-12,713.04

Finding the Fourth Proportional to 31,433.22, 47,149.25 and 12,713.04

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Solution

The fourth proportional to 31,433.22, 47,149.25 and 12,713.04 is: 19,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.22 : 47,149.25 = 12,713.04 : x
  2. Step 2: Convert to fraction form
    31,433.22/47,149.25 = 12,713.04/x
  3. Step 3: Cross multiply
    31,433.22x = 47,149.25 × 12,713.04
  4. Step 4: Simplify right side
    31,433.22x = 599,410,237.65
  5. Step 5: Solve for x
    x = 599,410,237.65/31,433.22
  6. Step 6: Final answer
    x = 19,069.32

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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.