Home / 49,538.81-74,273.65-18,365.69

Finding the Fourth Proportional to 49,538.81, 74,273.65 and 18,365.69

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Solution

The fourth proportional to 49,538.81, 74,273.65 and 18,365.69 is: 27,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.81 : 74,273.65 = 18,365.69 : x
  2. Step 2: Convert to fraction form
    49,538.81/74,273.65 = 18,365.69/x
  3. Step 3: Cross multiply
    49,538.81x = 74,273.65 × 18,365.69
  4. Step 4: Simplify right side
    49,538.81x = 1,364,086,413.79
  5. Step 5: Solve for x
    x = 1,364,086,413.79/49,538.81
  6. Step 6: Final answer
    x = 27,535.71

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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.