Home / 31,147.26-46,721.28-10,370.76

Finding the Fourth Proportional to 31,147.26, 46,721.28 and 10,370.76

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Solution

The fourth proportional to 31,147.26, 46,721.28 and 10,370.76 is: 15,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,147.26 : 46,721.28 = 10,370.76 : x
  2. Step 2: Convert to fraction form
    31,147.26/46,721.28 = 10,370.76/x
  3. Step 3: Cross multiply
    31,147.26x = 46,721.28 × 10,370.76
  4. Step 4: Simplify right side
    31,147.26x = 484,535,181.77
  5. Step 5: Solve for x
    x = 484,535,181.77/31,147.26
  6. Step 6: Final answer
    x = 15,556.27

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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.