Home / 31,115.84-46,658.56-11,396.48

Finding the Fourth Proportional to 31,115.84, 46,658.56 and 11,396.48

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Solution

The fourth proportional to 31,115.84, 46,658.56 and 11,396.48 is: 17,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.84 : 46,658.56 = 11,396.48 : x
  2. Step 2: Convert to fraction form
    31,115.84/46,658.56 = 11,396.48/x
  3. Step 3: Cross multiply
    31,115.84x = 46,658.56 × 11,396.48
  4. Step 4: Simplify right side
    31,115.84x = 531,743,345.87
  5. Step 5: Solve for x
    x = 531,743,345.87/31,115.84
  6. Step 6: Final answer
    x = 17,089.15

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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.