Home / 33,304.39-45,980.56-21,388.73

Finding the Fourth Proportional to 33,304.39, 45,980.56 and 21,388.73

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Solution

The fourth proportional to 33,304.39, 45,980.56 and 21,388.73 is: 29,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,304.39 : 45,980.56 = 21,388.73 : x
  2. Step 2: Convert to fraction form
    33,304.39/45,980.56 = 21,388.73/x
  3. Step 3: Cross multiply
    33,304.39x = 45,980.56 × 21,388.73
  4. Step 4: Simplify right side
    33,304.39x = 983,465,783.09
  5. Step 5: Solve for x
    x = 983,465,783.09/33,304.39
  6. Step 6: Final answer
    x = 29,529.61

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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.