Home / 30,413.10-41,967.66-16,983.56

Finding the Fourth Proportional to 30,413.10, 41,967.66 and 16,983.56

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Solution

The fourth proportional to 30,413.10, 41,967.66 and 16,983.56 is: 23,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.10 : 41,967.66 = 16,983.56 : x
  2. Step 2: Convert to fraction form
    30,413.10/41,967.66 = 16,983.56/x
  3. Step 3: Cross multiply
    30,413.10x = 41,967.66 × 16,983.56
  4. Step 4: Simplify right side
    30,413.10x = 712,760,271.67
  5. Step 5: Solve for x
    x = 712,760,271.67/30,413.10
  6. Step 6: Final answer
    x = 23,435.96

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1.5x scale

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.