Home / 31,192.16-46,801.64-10,138.65

Finding the Fourth Proportional to 31,192.16, 46,801.64 and 10,138.65

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Solution

The fourth proportional to 31,192.16, 46,801.64 and 10,138.65 is: 15,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.16 : 46,801.64 = 10,138.65 : x
  2. Step 2: Convert to fraction form
    31,192.16/46,801.64 = 10,138.65/x
  3. Step 3: Cross multiply
    31,192.16x = 46,801.64 × 10,138.65
  4. Step 4: Simplify right side
    31,192.16x = 474,505,447.39
  5. Step 5: Solve for x
    x = 474,505,447.39/31,192.16
  6. Step 6: Final answer
    x = 15,212.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.