Home / 33,057.19-45,601.00-20,935.74

Finding the Fourth Proportional to 33,057.19, 45,601.00 and 20,935.74

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Solution

The fourth proportional to 33,057.19, 45,601.00 and 20,935.74 is: 28,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,057.19 : 45,601.00 = 20,935.74 : x
  2. Step 2: Convert to fraction form
    33,057.19/45,601.00 = 20,935.74/x
  3. Step 3: Cross multiply
    33,057.19x = 45,601.00 × 20,935.74
  4. Step 4: Simplify right side
    33,057.19x = 954,690,729.03
  5. Step 5: Solve for x
    x = 954,690,729.03/33,057.19
  6. Step 6: Final answer
    x = 28,879.97

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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.