Home / 30,121.92-41,567.66-16,692.90

Finding the Fourth Proportional to 30,121.92, 41,567.66 and 16,692.90

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Solution

The fourth proportional to 30,121.92, 41,567.66 and 16,692.90 is: 23,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.92 : 41,567.66 = 16,692.90 : x
  2. Step 2: Convert to fraction form
    30,121.92/41,567.66 = 16,692.90/x
  3. Step 3: Cross multiply
    30,121.92x = 41,567.66 × 16,692.90
  4. Step 4: Simplify right side
    30,121.92x = 693,884,708.15
  5. Step 5: Solve for x
    x = 693,884,708.15/30,121.92
  6. Step 6: Final answer
    x = 23,035.87

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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.