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Finding the Fourth Proportional to 33,392, 46,079.04 and 18,284.64

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Solution

The fourth proportional to 33,392, 46,079.04 and 18,284.64 is: 25,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,392 : 46,079.04 = 18,284.64 : x
  2. Step 2: Convert to fraction form
    33,392/46,079.04 = 18,284.64/x
  3. Step 3: Cross multiply
    33,392x = 46,079.04 × 18,284.64
  4. Step 4: Simplify right side
    33,392x = 842,538,657.95
  5. Step 5: Solve for x
    x = 842,538,657.95/33,392
  6. Step 6: Final answer
    x = 25,231.75

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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.