Home / 33,197.79-45,811.50-18,857.58

Finding the Fourth Proportional to 33,197.79, 45,811.50 and 18,857.58

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Solution

The fourth proportional to 33,197.79, 45,811.50 and 18,857.58 is: 26,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,197.79 : 45,811.50 = 18,857.58 : x
  2. Step 2: Convert to fraction form
    33,197.79/45,811.50 = 18,857.58/x
  3. Step 3: Cross multiply
    33,197.79x = 45,811.50 × 18,857.58
  4. Step 4: Simplify right side
    33,197.79x = 863,893,933.33
  5. Step 5: Solve for x
    x = 863,893,933.33/33,197.79
  6. Step 6: Final answer
    x = 26,022.64

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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.