Home / 30,921.24-46,367.28-11,942.94

Finding the Fourth Proportional to 30,921.24, 46,367.28 and 11,942.94

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Solution

The fourth proportional to 30,921.24, 46,367.28 and 11,942.94 is: 17,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.24 : 46,367.28 = 11,942.94 : x
  2. Step 2: Convert to fraction form
    30,921.24/46,367.28 = 11,942.94/x
  3. Step 3: Cross multiply
    30,921.24x = 46,367.28 × 11,942.94
  4. Step 4: Simplify right side
    30,921.24x = 553,761,643.00
  5. Step 5: Solve for x
    x = 553,761,643.00/30,921.24
  6. Step 6: Final answer
    x = 17,908.78

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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.