Home / 54,640.88-75,396.57-30,441.68

Finding the Fourth Proportional to 54,640.88, 75,396.57 and 30,441.68

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Solution

The fourth proportional to 54,640.88, 75,396.57 and 30,441.68 is: 42,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.88 : 75,396.57 = 30,441.68 : x
  2. Step 2: Convert to fraction form
    54,640.88/75,396.57 = 30,441.68/x
  3. Step 3: Cross multiply
    54,640.88x = 75,396.57 × 30,441.68
  4. Step 4: Simplify right side
    54,640.88x = 2,295,198,257.04
  5. Step 5: Solve for x
    x = 2,295,198,257.04/54,640.88
  6. Step 6: Final answer
    x = 42,005.15

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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.