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Finding the Fourth Proportional to 33,796.80, 46,639.32 and 18,892.80

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Solution

The fourth proportional to 33,796.80, 46,639.32 and 18,892.80 is: 26,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,796.80 : 46,639.32 = 18,892.80 : x
  2. Step 2: Convert to fraction form
    33,796.80/46,639.32 = 18,892.80/x
  3. Step 3: Cross multiply
    33,796.80x = 46,639.32 × 18,892.80
  4. Step 4: Simplify right side
    33,796.80x = 881,147,344.90
  5. Step 5: Solve for x
    x = 881,147,344.90/33,796.80
  6. Step 6: Final answer
    x = 26,071.92

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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.