Home / 49,889.94-74,832.16-30,163.20

Finding the Fourth Proportional to 49,889.94, 74,832.16 and 30,163.20

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Solution

The fourth proportional to 49,889.94, 74,832.16 and 30,163.20 is: 45,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,889.94 : 74,832.16 = 30,163.20 : x
  2. Step 2: Convert to fraction form
    49,889.94/74,832.16 = 30,163.20/x
  3. Step 3: Cross multiply
    49,889.94x = 74,832.16 × 30,163.20
  4. Step 4: Simplify right side
    49,889.94x = 2,257,177,408.51
  5. Step 5: Solve for x
    x = 2,257,177,408.51/49,889.94
  6. Step 6: Final answer
    x = 45,243.14

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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.