Home / 31,195.05-46,788.19-10,135.38

Finding the Fourth Proportional to 31,195.05, 46,788.19 and 10,135.38

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Solution

The fourth proportional to 31,195.05, 46,788.19 and 10,135.38 is: 15,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195.05 : 46,788.19 = 10,135.38 : x
  2. Step 2: Convert to fraction form
    31,195.05/46,788.19 = 10,135.38/x
  3. Step 3: Cross multiply
    31,195.05x = 46,788.19 × 10,135.38
  4. Step 4: Simplify right side
    31,195.05x = 474,215,979.22
  5. Step 5: Solve for x
    x = 474,215,979.22/31,195.05
  6. Step 6: Final answer
    x = 15,201.64

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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.