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Finding the Fourth Proportional to 33,479.60, 46,201.80 and 19,336.88

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Solution

The fourth proportional to 33,479.60, 46,201.80 and 19,336.88 is: 26,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,479.60 : 46,201.80 = 19,336.88 : x
  2. Step 2: Convert to fraction form
    33,479.60/46,201.80 = 19,336.88/x
  3. Step 3: Cross multiply
    33,479.60x = 46,201.80 × 19,336.88
  4. Step 4: Simplify right side
    33,479.60x = 893,398,662.38
  5. Step 5: Solve for x
    x = 893,398,662.38/33,479.60
  6. Step 6: Final answer
    x = 26,684.87

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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.