Home / 33,268-45,890.40-20,696.80

Finding the Fourth Proportional to 33,268, 45,890.40 and 20,696.80

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Solution

The fourth proportional to 33,268, 45,890.40 and 20,696.80 is: 28,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,268 : 45,890.40 = 20,696.80 : x
  2. Step 2: Convert to fraction form
    33,268/45,890.40 = 20,696.80/x
  3. Step 3: Cross multiply
    33,268x = 45,890.40 × 20,696.80
  4. Step 4: Simplify right side
    33,268x = 949,784,430.72
  5. Step 5: Solve for x
    x = 949,784,430.72/33,268
  6. Step 6: Final answer
    x = 28,549.49

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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.