Home / 33,065.28-45,668.07-21,785.22

Finding the Fourth Proportional to 33,065.28, 45,668.07 and 21,785.22

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Solution

The fourth proportional to 33,065.28, 45,668.07 and 21,785.22 is: 30,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,065.28 : 45,668.07 = 21,785.22 : x
  2. Step 2: Convert to fraction form
    33,065.28/45,668.07 = 21,785.22/x
  3. Step 3: Cross multiply
    33,065.28x = 45,668.07 × 21,785.22
  4. Step 4: Simplify right side
    33,065.28x = 994,888,951.93
  5. Step 5: Solve for x
    x = 994,888,951.93/33,065.28
  6. Step 6: Final answer
    x = 30,088.63

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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.