Home / 54,778.95-82,204.32-19,239.33

Finding the Fourth Proportional to 54,778.95, 82,204.32 and 19,239.33

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Solution

The fourth proportional to 54,778.95, 82,204.32 and 19,239.33 is: 28,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.95 : 82,204.32 = 19,239.33 : x
  2. Step 2: Convert to fraction form
    54,778.95/82,204.32 = 19,239.33/x
  3. Step 3: Cross multiply
    54,778.95x = 82,204.32 × 19,239.33
  4. Step 4: Simplify right side
    54,778.95x = 1,581,556,039.91
  5. Step 5: Solve for x
    x = 1,581,556,039.91/54,778.95
  6. Step 6: Final answer
    x = 28,871.60

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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.