Home / 36,979.88-55,450.38-31,808.84

Finding the Fourth Proportional to 36,979.88, 55,450.38 and 31,808.84

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Solution

The fourth proportional to 36,979.88, 55,450.38 and 31,808.84 is: 47,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.88 : 55,450.38 = 31,808.84 : x
  2. Step 2: Convert to fraction form
    36,979.88/55,450.38 = 31,808.84/x
  3. Step 3: Cross multiply
    36,979.88x = 55,450.38 × 31,808.84
  4. Step 4: Simplify right side
    36,979.88x = 1,763,812,265.36
  5. Step 5: Solve for x
    x = 1,763,812,265.36/36,979.88
  6. Step 6: Final answer
    x = 47,696.54

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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.