Home / 31,081.96-46,589.74-12,336.04

Finding the Fourth Proportional to 31,081.96, 46,589.74 and 12,336.04

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Solution

The fourth proportional to 31,081.96, 46,589.74 and 12,336.04 is: 18,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081.96 : 46,589.74 = 12,336.04 : x
  2. Step 2: Convert to fraction form
    31,081.96/46,589.74 = 12,336.04/x
  3. Step 3: Cross multiply
    31,081.96x = 46,589.74 × 12,336.04
  4. Step 4: Simplify right side
    31,081.96x = 574,732,896.23
  5. Step 5: Solve for x
    x = 574,732,896.23/31,081.96
  6. Step 6: Final answer
    x = 18,490.88

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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.