Home / 30,078.86-41,413.72-26,491.28

Finding the Fourth Proportional to 30,078.86, 41,413.72 and 26,491.28

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Solution

The fourth proportional to 30,078.86, 41,413.72 and 26,491.28 is: 36,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.86 : 41,413.72 = 26,491.28 : x
  2. Step 2: Convert to fraction form
    30,078.86/41,413.72 = 26,491.28/x
  3. Step 3: Cross multiply
    30,078.86x = 41,413.72 × 26,491.28
  4. Step 4: Simplify right side
    30,078.86x = 1,097,102,452.36
  5. Step 5: Solve for x
    x = 1,097,102,452.36/30,078.86
  6. Step 6: Final answer
    x = 36,474.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.