Home / 30,765.87-46,155.69-16,738.56

Finding the Fourth Proportional to 30,765.87, 46,155.69 and 16,738.56

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Solution

The fourth proportional to 30,765.87, 46,155.69 and 16,738.56 is: 25,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765.87 : 46,155.69 = 16,738.56 : x
  2. Step 2: Convert to fraction form
    30,765.87/46,155.69 = 16,738.56/x
  3. Step 3: Cross multiply
    30,765.87x = 46,155.69 × 16,738.56
  4. Step 4: Simplify right side
    30,765.87x = 772,579,786.41
  5. Step 5: Solve for x
    x = 772,579,786.41/30,765.87
  6. Step 6: Final answer
    x = 25,111.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.