Home / 54,249.44-74,866.80-30,371.36

Finding the Fourth Proportional to 54,249.44, 74,866.80 and 30,371.36

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Solution

The fourth proportional to 54,249.44, 74,866.80 and 30,371.36 is: 41,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,249.44 : 74,866.80 = 30,371.36 : x
  2. Step 2: Convert to fraction form
    54,249.44/74,866.80 = 30,371.36/x
  3. Step 3: Cross multiply
    54,249.44x = 74,866.80 × 30,371.36
  4. Step 4: Simplify right side
    54,249.44x = 2,273,806,534.85
  5. Step 5: Solve for x
    x = 2,273,806,534.85/54,249.44
  6. Step 6: Final answer
    x = 41,913.92

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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.