Home / 33,137.92-45,729.84-19,715.68

Finding the Fourth Proportional to 33,137.92, 45,729.84 and 19,715.68

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Solution

The fourth proportional to 33,137.92, 45,729.84 and 19,715.68 is: 27,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.92 : 45,729.84 = 19,715.68 : x
  2. Step 2: Convert to fraction form
    33,137.92/45,729.84 = 19,715.68/x
  3. Step 3: Cross multiply
    33,137.92x = 45,729.84 × 19,715.68
  4. Step 4: Simplify right side
    33,137.92x = 901,594,891.89
  5. Step 5: Solve for x
    x = 901,594,891.89/33,137.92
  6. Step 6: Final answer
    x = 27,207.35

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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.