Home / 30,219.44-45,107.34-27,992.81

Finding the Fourth Proportional to 30,219.44, 45,107.34 and 27,992.81

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Solution

The fourth proportional to 30,219.44, 45,107.34 and 27,992.81 is: 41,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.44 : 45,107.34 = 27,992.81 : x
  2. Step 2: Convert to fraction form
    30,219.44/45,107.34 = 27,992.81/x
  3. Step 3: Cross multiply
    30,219.44x = 45,107.34 × 27,992.81
  4. Step 4: Simplify right side
    30,219.44x = 1,262,681,198.23
  5. Step 5: Solve for x
    x = 1,262,681,198.23/30,219.44
  6. Step 6: Final answer
    x = 41,783.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.