Home / 33,493.21-46,221.21-18,387.28

Finding the Fourth Proportional to 33,493.21, 46,221.21 and 18,387.28

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Solution

The fourth proportional to 33,493.21, 46,221.21 and 18,387.28 is: 25,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,493.21 : 46,221.21 = 18,387.28 : x
  2. Step 2: Convert to fraction form
    33,493.21/46,221.21 = 18,387.28/x
  3. Step 3: Cross multiply
    33,493.21x = 46,221.21 × 18,387.28
  4. Step 4: Simplify right side
    33,493.21x = 849,882,330.21
  5. Step 5: Solve for x
    x = 849,882,330.21/33,493.21
  6. Step 6: Final answer
    x = 25,374.76

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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.