Home / 30,413.93-45,588.62-17,939.83

Finding the Fourth Proportional to 30,413.93, 45,588.62 and 17,939.83

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Solution

The fourth proportional to 30,413.93, 45,588.62 and 17,939.83 is: 26,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.93 : 45,588.62 = 17,939.83 : x
  2. Step 2: Convert to fraction form
    30,413.93/45,588.62 = 17,939.83/x
  3. Step 3: Cross multiply
    30,413.93x = 45,588.62 × 17,939.83
  4. Step 4: Simplify right side
    30,413.93x = 817,852,109.09
  5. Step 5: Solve for x
    x = 817,852,109.09/30,413.93
  6. Step 6: Final answer
    x = 26,890.71

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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.