Home / 54,618.54-75,372.75-30,745.14

Finding the Fourth Proportional to 54,618.54, 75,372.75 and 30,745.14

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Solution

The fourth proportional to 54,618.54, 75,372.75 and 30,745.14 is: 42,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.54 : 75,372.75 = 30,745.14 : x
  2. Step 2: Convert to fraction form
    54,618.54/75,372.75 = 30,745.14/x
  3. Step 3: Cross multiply
    54,618.54x = 75,372.75 × 30,745.14
  4. Step 4: Simplify right side
    54,618.54x = 2,317,345,750.94
  5. Step 5: Solve for x
    x = 2,317,345,750.94/54,618.54
  6. Step 6: Final answer
    x = 42,427.82

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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.