Home / 39,612.75-54,647.25-35,080.05

Finding the Fourth Proportional to 39,612.75, 54,647.25 and 35,080.05

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Solution

The fourth proportional to 39,612.75, 54,647.25 and 35,080.05 is: 48,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.75 : 54,647.25 = 35,080.05 : x
  2. Step 2: Convert to fraction form
    39,612.75/54,647.25 = 35,080.05/x
  3. Step 3: Cross multiply
    39,612.75x = 54,647.25 × 35,080.05
  4. Step 4: Simplify right side
    39,612.75x = 1,917,028,262.36
  5. Step 5: Solve for x
    x = 1,917,028,262.36/39,612.75
  6. Step 6: Final answer
    x = 48,394.22

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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.