Home / 33,141.69-45,718.29-20,544.57

Finding the Fourth Proportional to 33,141.69, 45,718.29 and 20,544.57

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Solution

The fourth proportional to 33,141.69, 45,718.29 and 20,544.57 is: 28,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,141.69 : 45,718.29 = 20,544.57 : x
  2. Step 2: Convert to fraction form
    33,141.69/45,718.29 = 20,544.57/x
  3. Step 3: Cross multiply
    33,141.69x = 45,718.29 × 20,544.57
  4. Step 4: Simplify right side
    33,141.69x = 939,262,609.19
  5. Step 5: Solve for x
    x = 939,262,609.19/33,141.69
  6. Step 6: Final answer
    x = 28,340.82

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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.