Home / 31,318.03-46,976.59-7,944.48

Finding the Fourth Proportional to 31,318.03, 46,976.59 and 7,944.48

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Solution

The fourth proportional to 31,318.03, 46,976.59 and 7,944.48 is: 11,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.03 : 46,976.59 = 7,944.48 : x
  2. Step 2: Convert to fraction form
    31,318.03/46,976.59 = 7,944.48/x
  3. Step 3: Cross multiply
    31,318.03x = 46,976.59 × 7,944.48
  4. Step 4: Simplify right side
    31,318.03x = 373,204,579.72
  5. Step 5: Solve for x
    x = 373,204,579.72/31,318.03
  6. Step 6: Final answer
    x = 11,916.60

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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.