Home / 36,698.32-55,053.78-21,107.44

Finding the Fourth Proportional to 36,698.32, 55,053.78 and 21,107.44

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Solution

The fourth proportional to 36,698.32, 55,053.78 and 21,107.44 is: 31,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.32 : 55,053.78 = 21,107.44 : x
  2. Step 2: Convert to fraction form
    36,698.32/55,053.78 = 21,107.44/x
  3. Step 3: Cross multiply
    36,698.32x = 55,053.78 × 21,107.44
  4. Step 4: Simplify right side
    36,698.32x = 1,162,044,358.12
  5. Step 5: Solve for x
    x = 1,162,044,358.12/36,698.32
  6. Step 6: Final answer
    x = 31,664.78

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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.