Home / 54,367.04-81,571.30-21,110.44

Finding the Fourth Proportional to 54,367.04, 81,571.30 and 21,110.44

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Solution

The fourth proportional to 54,367.04, 81,571.30 and 21,110.44 is: 31,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367.04 : 81,571.30 = 21,110.44 : x
  2. Step 2: Convert to fraction form
    54,367.04/81,571.30 = 21,110.44/x
  3. Step 3: Cross multiply
    54,367.04x = 81,571.30 × 21,110.44
  4. Step 4: Simplify right side
    54,367.04x = 1,722,006,034.37
  5. Step 5: Solve for x
    x = 1,722,006,034.37/54,367.04
  6. Step 6: Final answer
    x = 31,673.71

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1.5x scale

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.