Home / 31,231.86-46,850.30-10,171.50

Finding the Fourth Proportional to 31,231.86, 46,850.30 and 10,171.50

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Solution

The fourth proportional to 31,231.86, 46,850.30 and 10,171.50 is: 15,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.86 : 46,850.30 = 10,171.50 : x
  2. Step 2: Convert to fraction form
    31,231.86/46,850.30 = 10,171.50/x
  3. Step 3: Cross multiply
    31,231.86x = 46,850.30 × 10,171.50
  4. Step 4: Simplify right side
    31,231.86x = 476,537,775.59
  5. Step 5: Solve for x
    x = 476,537,775.59/31,231.86
  6. Step 6: Final answer
    x = 15,258.07

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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.