Home / 33,081.66-45,635.19-20,960.75

Finding the Fourth Proportional to 33,081.66, 45,635.19 and 20,960.75

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Solution

The fourth proportional to 33,081.66, 45,635.19 and 20,960.75 is: 28,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,081.66 : 45,635.19 = 20,960.75 : x
  2. Step 2: Convert to fraction form
    33,081.66/45,635.19 = 20,960.75/x
  3. Step 3: Cross multiply
    33,081.66x = 45,635.19 × 20,960.75
  4. Step 4: Simplify right side
    33,081.66x = 956,547,580.62
  5. Step 5: Solve for x
    x = 956,547,580.62/33,081.66
  6. Step 6: Final answer
    x = 28,914.74

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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.