Home / 54,920.72-82,344.62-19,855.82

Finding the Fourth Proportional to 54,920.72, 82,344.62 and 19,855.82

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Solution

The fourth proportional to 54,920.72, 82,344.62 and 19,855.82 is: 29,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.72 : 82,344.62 = 19,855.82 : x
  2. Step 2: Convert to fraction form
    54,920.72/82,344.62 = 19,855.82/x
  3. Step 3: Cross multiply
    54,920.72x = 82,344.62 × 19,855.82
  4. Step 4: Simplify right side
    54,920.72x = 1,635,019,441.69
  5. Step 5: Solve for x
    x = 1,635,019,441.69/54,920.72
  6. Step 6: Final answer
    x = 29,770.54

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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.