Home / 39,213.54-54,077.79-30,246.84

Finding the Fourth Proportional to 39,213.54, 54,077.79 and 30,246.84

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Solution

The fourth proportional to 39,213.54, 54,077.79 and 30,246.84 is: 41,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.54 : 54,077.79 = 30,246.84 : x
  2. Step 2: Convert to fraction form
    39,213.54/54,077.79 = 30,246.84/x
  3. Step 3: Cross multiply
    39,213.54x = 54,077.79 × 30,246.84
  4. Step 4: Simplify right side
    39,213.54x = 1,635,682,261.68
  5. Step 5: Solve for x
    x = 1,635,682,261.68/39,213.54
  6. Step 6: Final answer
    x = 41,712.18

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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.