Home / 35,065.90-52,621.85-12,879.46

Finding the Fourth Proportional to 35,065.90, 52,621.85 and 12,879.46

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Solution

The fourth proportional to 35,065.90, 52,621.85 and 12,879.46 is: 19,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,065.90 : 52,621.85 = 12,879.46 : x
  2. Step 2: Convert to fraction form
    35,065.90/52,621.85 = 12,879.46/x
  3. Step 3: Cross multiply
    35,065.90x = 52,621.85 × 12,879.46
  4. Step 4: Simplify right side
    35,065.90x = 677,741,012.20
  5. Step 5: Solve for x
    x = 677,741,012.20/35,065.90
  6. Step 6: Final answer
    x = 19,327.64

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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.