Home / 30,356.45-41,890.37-16,746.87

Finding the Fourth Proportional to 30,356.45, 41,890.37 and 16,746.87

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Solution

The fourth proportional to 30,356.45, 41,890.37 and 16,746.87 is: 23,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.45 : 41,890.37 = 16,746.87 : x
  2. Step 2: Convert to fraction form
    30,356.45/41,890.37 = 16,746.87/x
  3. Step 3: Cross multiply
    30,356.45x = 41,890.37 × 16,746.87
  4. Step 4: Simplify right side
    30,356.45x = 701,532,413.06
  5. Step 5: Solve for x
    x = 701,532,413.06/30,356.45
  6. Step 6: Final answer
    x = 23,109.83

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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.