Home / 31,125.51-46,696.37-8,940.69

Finding the Fourth Proportional to 31,125.51, 46,696.37 and 8,940.69

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Solution

The fourth proportional to 31,125.51, 46,696.37 and 8,940.69 is: 13,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.51 : 46,696.37 = 8,940.69 : x
  2. Step 2: Convert to fraction form
    31,125.51/46,696.37 = 8,940.69/x
  3. Step 3: Cross multiply
    31,125.51x = 46,696.37 × 8,940.69
  4. Step 4: Simplify right side
    31,125.51x = 417,497,723.59
  5. Step 5: Solve for x
    x = 417,497,723.59/31,125.51
  6. Step 6: Final answer
    x = 13,413.36

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1.5x scale

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.