Home / 31,134.14-46,696.20-8,942.47

Finding the Fourth Proportional to 31,134.14, 46,696.20 and 8,942.47

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Solution

The fourth proportional to 31,134.14, 46,696.20 and 8,942.47 is: 13,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,134.14 : 46,696.20 = 8,942.47 : x
  2. Step 2: Convert to fraction form
    31,134.14/46,696.20 = 8,942.47/x
  3. Step 3: Cross multiply
    31,134.14x = 46,696.20 × 8,942.47
  4. Step 4: Simplify right side
    31,134.14x = 417,579,322.90
  5. Step 5: Solve for x
    x = 417,579,322.90/31,134.14
  6. Step 6: Final answer
    x = 13,412.26

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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.