Home / 31,086.61-46,629.50-18,610.08

Finding the Fourth Proportional to 31,086.61, 46,629.50 and 18,610.08

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Solution

The fourth proportional to 31,086.61, 46,629.50 and 18,610.08 is: 27,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,086.61 : 46,629.50 = 18,610.08 : x
  2. Step 2: Convert to fraction form
    31,086.61/46,629.50 = 18,610.08/x
  3. Step 3: Cross multiply
    31,086.61x = 46,629.50 × 18,610.08
  4. Step 4: Simplify right side
    31,086.61x = 867,778,640.94
  5. Step 5: Solve for x
    x = 867,778,640.94/31,086.61
  6. Step 6: Final answer
    x = 27,914.87

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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.