Home / 30,010.73-41,413.69-16,581.70

Finding the Fourth Proportional to 30,010.73, 41,413.69 and 16,581.70

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Solution

The fourth proportional to 30,010.73, 41,413.69 and 16,581.70 is: 22,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.73 : 41,413.69 = 16,581.70 : x
  2. Step 2: Convert to fraction form
    30,010.73/41,413.69 = 16,581.70/x
  3. Step 3: Cross multiply
    30,010.73x = 41,413.69 × 16,581.70
  4. Step 4: Simplify right side
    30,010.73x = 686,709,217.86
  5. Step 5: Solve for x
    x = 686,709,217.86/30,010.73
  6. Step 6: Final answer
    x = 22,882.12

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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.