Home / 54,198.08-81,295.08-19,136.84

Finding the Fourth Proportional to 54,198.08, 81,295.08 and 19,136.84

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Solution

The fourth proportional to 54,198.08, 81,295.08 and 19,136.84 is: 28,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198.08 : 81,295.08 = 19,136.84 : x
  2. Step 2: Convert to fraction form
    54,198.08/81,295.08 = 19,136.84/x
  3. Step 3: Cross multiply
    54,198.08x = 81,295.08 × 19,136.84
  4. Step 4: Simplify right side
    54,198.08x = 1,555,730,938.75
  5. Step 5: Solve for x
    x = 1,555,730,938.75/54,198.08
  6. Step 6: Final answer
    x = 28,704.54

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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.