Home / 54,918.20-82,346.06-21,620.22

Finding the Fourth Proportional to 54,918.20, 82,346.06 and 21,620.22

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Solution

The fourth proportional to 54,918.20, 82,346.06 and 21,620.22 is: 32,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918.20 : 82,346.06 = 21,620.22 : x
  2. Step 2: Convert to fraction form
    54,918.20/82,346.06 = 21,620.22/x
  3. Step 3: Cross multiply
    54,918.20x = 82,346.06 × 21,620.22
  4. Step 4: Simplify right side
    54,918.20x = 1,780,339,933.33
  5. Step 5: Solve for x
    x = 1,780,339,933.33/54,918.20
  6. Step 6: Final answer
    x = 32,418.03

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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.