Home / 30,179.21-45,313.26-16,878.27

Finding the Fourth Proportional to 30,179.21, 45,313.26 and 16,878.27

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Solution

The fourth proportional to 30,179.21, 45,313.26 and 16,878.27 is: 25,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.21 : 45,313.26 = 16,878.27 : x
  2. Step 2: Convert to fraction form
    30,179.21/45,313.26 = 16,878.27/x
  3. Step 3: Cross multiply
    30,179.21x = 45,313.26 × 16,878.27
  4. Step 4: Simplify right side
    30,179.21x = 764,809,370.03
  5. Step 5: Solve for x
    x = 764,809,370.03/30,179.21
  6. Step 6: Final answer
    x = 25,342.26

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1.5x scale

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.