Home / 33,704.40-46,513.85-20,279.87

Finding the Fourth Proportional to 33,704.40, 46,513.85 and 20,279.87

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Solution

The fourth proportional to 33,704.40, 46,513.85 and 20,279.87 is: 27,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,704.40 : 46,513.85 = 20,279.87 : x
  2. Step 2: Convert to fraction form
    33,704.40/46,513.85 = 20,279.87/x
  3. Step 3: Cross multiply
    33,704.40x = 46,513.85 × 20,279.87
  4. Step 4: Simplify right side
    33,704.40x = 943,294,671.66
  5. Step 5: Solve for x
    x = 943,294,671.66/33,704.40
  6. Step 6: Final answer
    x = 27,987.28

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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.