Home / 33,283.20-45,979.20-30,794.88

Finding the Fourth Proportional to 33,283.20, 45,979.20 and 30,794.88

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Solution

The fourth proportional to 33,283.20, 45,979.20 and 30,794.88 is: 42,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,283.20 : 45,979.20 = 30,794.88 : x
  2. Step 2: Convert to fraction form
    33,283.20/45,979.20 = 30,794.88/x
  3. Step 3: Cross multiply
    33,283.20x = 45,979.20 × 30,794.88
  4. Step 4: Simplify right side
    33,283.20x = 1,415,923,946.50
  5. Step 5: Solve for x
    x = 1,415,923,946.50/33,283.20
  6. Step 6: Final answer
    x = 42,541.70

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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.