Home / 31,164.75-46,747.53-10,388.25

Finding the Fourth Proportional to 31,164.75, 46,747.53 and 10,388.25

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Solution

The fourth proportional to 31,164.75, 46,747.53 and 10,388.25 is: 15,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,164.75 : 46,747.53 = 10,388.25 : x
  2. Step 2: Convert to fraction form
    31,164.75/46,747.53 = 10,388.25/x
  3. Step 3: Cross multiply
    31,164.75x = 46,747.53 × 10,388.25
  4. Step 4: Simplify right side
    31,164.75x = 485,625,028.52
  5. Step 5: Solve for x
    x = 485,625,028.52/31,164.75
  6. Step 6: Final answer
    x = 15,582.51

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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.