Home / 31,213.13-46,825.84-10,151.81

Finding the Fourth Proportional to 31,213.13, 46,825.84 and 10,151.81

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Solution

The fourth proportional to 31,213.13, 46,825.84 and 10,151.81 is: 15,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.13 : 46,825.84 = 10,151.81 : x
  2. Step 2: Convert to fraction form
    31,213.13/46,825.84 = 10,151.81/x
  3. Step 3: Cross multiply
    31,213.13x = 46,825.84 × 10,151.81
  4. Step 4: Simplify right side
    31,213.13x = 475,366,984.93
  5. Step 5: Solve for x
    x = 475,366,984.93/31,213.13
  6. Step 6: Final answer
    x = 15,229.71

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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.