Home / 54,759.42-75,578.94-30,886.56

Finding the Fourth Proportional to 54,759.42, 75,578.94 and 30,886.56

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Solution

The fourth proportional to 54,759.42, 75,578.94 and 30,886.56 is: 42,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.42 : 75,578.94 = 30,886.56 : x
  2. Step 2: Convert to fraction form
    54,759.42/75,578.94 = 30,886.56/x
  3. Step 3: Cross multiply
    54,759.42x = 75,578.94 × 30,886.56
  4. Step 4: Simplify right side
    54,759.42x = 2,334,373,465.05
  5. Step 5: Solve for x
    x = 2,334,373,465.05/54,759.42
  6. Step 6: Final answer
    x = 42,629.62

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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.