Home / 33,431.35-46,128.44-19,813.39

Finding the Fourth Proportional to 33,431.35, 46,128.44 and 19,813.39

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Solution

The fourth proportional to 33,431.35, 46,128.44 and 19,813.39 is: 27,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.35 : 46,128.44 = 19,813.39 : x
  2. Step 2: Convert to fraction form
    33,431.35/46,128.44 = 19,813.39/x
  3. Step 3: Cross multiply
    33,431.35x = 46,128.44 × 19,813.39
  4. Step 4: Simplify right side
    33,431.35x = 913,960,771.81
  5. Step 5: Solve for x
    x = 913,960,771.81/33,431.35
  6. Step 6: Final answer
    x = 27,338.43

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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.