Home / 33,227.23-45,854.68-18,120.71

Finding the Fourth Proportional to 33,227.23, 45,854.68 and 18,120.71

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Solution

The fourth proportional to 33,227.23, 45,854.68 and 18,120.71 is: 25,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,227.23 : 45,854.68 = 18,120.71 : x
  2. Step 2: Convert to fraction form
    33,227.23/45,854.68 = 18,120.71/x
  3. Step 3: Cross multiply
    33,227.23x = 45,854.68 × 18,120.71
  4. Step 4: Simplify right side
    33,227.23x = 830,919,313.12
  5. Step 5: Solve for x
    x = 830,919,313.12/33,227.23
  6. Step 6: Final answer
    x = 25,007.18

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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.