Home / 54,683.39-81,975.87-19,614.84

Finding the Fourth Proportional to 54,683.39, 81,975.87 and 19,614.84

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Solution

The fourth proportional to 54,683.39, 81,975.87 and 19,614.84 is: 29,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683.39 : 81,975.87 = 19,614.84 : x
  2. Step 2: Convert to fraction form
    54,683.39/81,975.87 = 19,614.84/x
  3. Step 3: Cross multiply
    54,683.39x = 81,975.87 × 19,614.84
  4. Step 4: Simplify right side
    54,683.39x = 1,607,943,573.91
  5. Step 5: Solve for x
    x = 1,607,943,573.91/54,683.39
  6. Step 6: Final answer
    x = 29,404.61

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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.