Home / 54,453.48-75,135.51-30,578.73

Finding the Fourth Proportional to 54,453.48, 75,135.51 and 30,578.73

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Solution

The fourth proportional to 54,453.48, 75,135.51 and 30,578.73 is: 42,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.48 : 75,135.51 = 30,578.73 : x
  2. Step 2: Convert to fraction form
    54,453.48/75,135.51 = 30,578.73/x
  3. Step 3: Cross multiply
    54,453.48x = 75,135.51 × 30,578.73
  4. Step 4: Simplify right side
    54,453.48x = 2,297,548,473.70
  5. Step 5: Solve for x
    x = 2,297,548,473.70/54,453.48
  6. Step 6: Final answer
    x = 42,192.87

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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.