Home / 73,979.56-110,936.40-21,376.54

Finding the Fourth Proportional to 73,979.56, 110,936.40 and 21,376.54

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Solution

The fourth proportional to 73,979.56, 110,936.40 and 21,376.54 is: 32,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,979.56 : 110,936.40 = 21,376.54 : x
  2. Step 2: Convert to fraction form
    73,979.56/110,936.40 = 21,376.54/x
  3. Step 3: Cross multiply
    73,979.56x = 110,936.40 × 21,376.54
  4. Step 4: Simplify right side
    73,979.56x = 2,371,436,392.06
  5. Step 5: Solve for x
    x = 2,371,436,392.06/73,979.56
  6. Step 6: Final answer
    x = 32,055.29

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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.