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Finding the Fourth Proportional to 33,451, 46,163.82 and 20,019.70

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Solution

The fourth proportional to 33,451, 46,163.82 and 20,019.70 is: 27,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,451 : 46,163.82 = 20,019.70 : x
  2. Step 2: Convert to fraction form
    33,451/46,163.82 = 20,019.70/x
  3. Step 3: Cross multiply
    33,451x = 46,163.82 × 20,019.70
  4. Step 4: Simplify right side
    33,451x = 924,185,827.25
  5. Step 5: Solve for x
    x = 924,185,827.25/33,451
  6. Step 6: Final answer
    x = 27,628.05

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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.