Home / 35,855.21-53,782.74-17,078.30

Finding the Fourth Proportional to 35,855.21, 53,782.74 and 17,078.30

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Solution

The fourth proportional to 35,855.21, 53,782.74 and 17,078.30 is: 25,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.21 : 53,782.74 = 17,078.30 : x
  2. Step 2: Convert to fraction form
    35,855.21/53,782.74 = 17,078.30/x
  3. Step 3: Cross multiply
    35,855.21x = 53,782.74 × 17,078.30
  4. Step 4: Simplify right side
    35,855.21x = 918,517,768.54
  5. Step 5: Solve for x
    x = 918,517,768.54/35,855.21
  6. Step 6: Final answer
    x = 25,617.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.