Home / 30,351.15-41,884.43-16,922.57

Finding the Fourth Proportional to 30,351.15, 41,884.43 and 16,922.57

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Solution

The fourth proportional to 30,351.15, 41,884.43 and 16,922.57 is: 23,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.15 : 41,884.43 = 16,922.57 : x
  2. Step 2: Convert to fraction form
    30,351.15/41,884.43 = 16,922.57/x
  3. Step 3: Cross multiply
    30,351.15x = 41,884.43 × 16,922.57
  4. Step 4: Simplify right side
    30,351.15x = 708,791,904.55
  5. Step 5: Solve for x
    x = 708,791,904.55/30,351.15
  6. Step 6: Final answer
    x = 23,353.05

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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.