Home / 35,855.37-53,791.36-12,161.66

Finding the Fourth Proportional to 35,855.37, 53,791.36 and 12,161.66

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Solution

The fourth proportional to 35,855.37, 53,791.36 and 12,161.66 is: 18,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.37 : 53,791.36 = 12,161.66 : x
  2. Step 2: Convert to fraction form
    35,855.37/53,791.36 = 12,161.66/x
  3. Step 3: Cross multiply
    35,855.37x = 53,791.36 × 12,161.66
  4. Step 4: Simplify right side
    35,855.37x = 654,191,931.90
  5. Step 5: Solve for x
    x = 654,191,931.90/35,855.37
  6. Step 6: Final answer
    x = 18,245.30

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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.