Home / 30,908.37-46,362.66-8,721.87

Finding the Fourth Proportional to 30,908.37, 46,362.66 and 8,721.87

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Solution

The fourth proportional to 30,908.37, 46,362.66 and 8,721.87 is: 13,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.37 : 46,362.66 = 8,721.87 : x
  2. Step 2: Convert to fraction form
    30,908.37/46,362.66 = 8,721.87/x
  3. Step 3: Cross multiply
    30,908.37x = 46,362.66 × 8,721.87
  4. Step 4: Simplify right side
    30,908.37x = 404,369,093.37
  5. Step 5: Solve for x
    x = 404,369,093.37/30,908.37
  6. Step 6: Final answer
    x = 13,082.83

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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.