Home / 30,719.88-46,081.89-10,448.38

Finding the Fourth Proportional to 30,719.88, 46,081.89 and 10,448.38

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Solution

The fourth proportional to 30,719.88, 46,081.89 and 10,448.38 is: 15,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.88 : 46,081.89 = 10,448.38 : x
  2. Step 2: Convert to fraction form
    30,719.88/46,081.89 = 10,448.38/x
  3. Step 3: Cross multiply
    30,719.88x = 46,081.89 × 10,448.38
  4. Step 4: Simplify right side
    30,719.88x = 481,481,097.84
  5. Step 5: Solve for x
    x = 481,481,097.84/30,719.88
  6. Step 6: Final answer
    x = 15,673.27

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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.