Home / 33,199.12-45,794.64-19,761.40

Finding the Fourth Proportional to 33,199.12, 45,794.64 and 19,761.40

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Solution

The fourth proportional to 33,199.12, 45,794.64 and 19,761.40 is: 27,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,199.12 : 45,794.64 = 19,761.40 : x
  2. Step 2: Convert to fraction form
    33,199.12/45,794.64 = 19,761.40/x
  3. Step 3: Cross multiply
    33,199.12x = 45,794.64 × 19,761.40
  4. Step 4: Simplify right side
    33,199.12x = 904,966,198.90
  5. Step 5: Solve for x
    x = 904,966,198.90/33,199.12
  6. Step 6: Final answer
    x = 27,258.74

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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.