Home / 54,450.09-75,140.84-30,578.85

Finding the Fourth Proportional to 54,450.09, 75,140.84 and 30,578.85

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Solution

The fourth proportional to 54,450.09, 75,140.84 and 30,578.85 is: 42,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.09 : 75,140.84 = 30,578.85 : x
  2. Step 2: Convert to fraction form
    54,450.09/75,140.84 = 30,578.85/x
  3. Step 3: Cross multiply
    54,450.09x = 75,140.84 × 30,578.85
  4. Step 4: Simplify right side
    54,450.09x = 2,297,720,322.34
  5. Step 5: Solve for x
    x = 2,297,720,322.34/54,450.09
  6. Step 6: Final answer
    x = 42,198.65

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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.