Home / 54,305.92-74,940.94-31,643.50

Finding the Fourth Proportional to 54,305.92, 74,940.94 and 31,643.50

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Solution

The fourth proportional to 54,305.92, 74,940.94 and 31,643.50 is: 43,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.92 : 74,940.94 = 31,643.50 : x
  2. Step 2: Convert to fraction form
    54,305.92/74,940.94 = 31,643.50/x
  3. Step 3: Cross multiply
    54,305.92x = 74,940.94 × 31,643.50
  4. Step 4: Simplify right side
    54,305.92x = 2,371,393,634.89
  5. Step 5: Solve for x
    x = 2,371,393,634.89/54,305.92
  6. Step 6: Final answer
    x = 43,667.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.