Home / 30,009.45-41,413.49-16,581.02

Finding the Fourth Proportional to 30,009.45, 41,413.49 and 16,581.02

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Solution

The fourth proportional to 30,009.45, 41,413.49 and 16,581.02 is: 22,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.45 : 41,413.49 = 16,581.02 : x
  2. Step 2: Convert to fraction form
    30,009.45/41,413.49 = 16,581.02/x
  3. Step 3: Cross multiply
    30,009.45x = 41,413.49 × 16,581.02
  4. Step 4: Simplify right side
    30,009.45x = 686,677,615.99
  5. Step 5: Solve for x
    x = 686,677,615.99/30,009.45
  6. Step 6: Final answer
    x = 22,882.05

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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.