Home / 33,855.21-46,705.44-20,419.00

Finding the Fourth Proportional to 33,855.21, 46,705.44 and 20,419.00

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Solution

The fourth proportional to 33,855.21, 46,705.44 and 20,419.00 is: 28,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,855.21 : 46,705.44 = 20,419.00 : x
  2. Step 2: Convert to fraction form
    33,855.21/46,705.44 = 20,419.00/x
  3. Step 3: Cross multiply
    33,855.21x = 46,705.44 × 20,419.00
  4. Step 4: Simplify right side
    33,855.21x = 953,678,339.17
  5. Step 5: Solve for x
    x = 953,678,339.17/33,855.21
  6. Step 6: Final answer
    x = 28,169.32

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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.