Home / 54,678.33-75,456.36-30,805.38

Finding the Fourth Proportional to 54,678.33, 75,456.36 and 30,805.38

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Solution

The fourth proportional to 54,678.33, 75,456.36 and 30,805.38 is: 42,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,678.33 : 75,456.36 = 30,805.38 : x
  2. Step 2: Convert to fraction form
    54,678.33/75,456.36 = 30,805.38/x
  3. Step 3: Cross multiply
    54,678.33x = 75,456.36 × 30,805.38
  4. Step 4: Simplify right side
    54,678.33x = 2,324,461,843.22
  5. Step 5: Solve for x
    x = 2,324,461,843.22/54,678.33
  6. Step 6: Final answer
    x = 42,511.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.