Home / 30,197.43-41,692.19-19,617.21

Finding the Fourth Proportional to 30,197.43, 41,692.19 and 19,617.21

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Solution

The fourth proportional to 30,197.43, 41,692.19 and 19,617.21 is: 27,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.43 : 41,692.19 = 19,617.21 : x
  2. Step 2: Convert to fraction form
    30,197.43/41,692.19 = 19,617.21/x
  3. Step 3: Cross multiply
    30,197.43x = 41,692.19 × 19,617.21
  4. Step 4: Simplify right side
    30,197.43x = 817,884,348.50
  5. Step 5: Solve for x
    x = 817,884,348.50/30,197.43
  6. Step 6: Final answer
    x = 27,084.57

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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.