Home / 33,290.91-45,939.57-18,180.57

Finding the Fourth Proportional to 33,290.91, 45,939.57 and 18,180.57

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Solution

The fourth proportional to 33,290.91, 45,939.57 and 18,180.57 is: 25,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,290.91 : 45,939.57 = 18,180.57 : x
  2. Step 2: Convert to fraction form
    33,290.91/45,939.57 = 18,180.57/x
  3. Step 3: Cross multiply
    33,290.91x = 45,939.57 × 18,180.57
  4. Step 4: Simplify right side
    33,290.91x = 835,207,568.15
  5. Step 5: Solve for x
    x = 835,207,568.15/33,290.91
  6. Step 6: Final answer
    x = 25,088.16

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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.