Home / 29,982.15-41,378.60-22,415.49

Finding the Fourth Proportional to 29,982.15, 41,378.60 and 22,415.49

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Solution

The fourth proportional to 29,982.15, 41,378.60 and 22,415.49 is: 30,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,982.15 : 41,378.60 = 22,415.49 : x
  2. Step 2: Convert to fraction form
    29,982.15/41,378.60 = 22,415.49/x
  3. Step 3: Cross multiply
    29,982.15x = 41,378.60 × 22,415.49
  4. Step 4: Simplify right side
    29,982.15x = 927,521,594.51
  5. Step 5: Solve for x
    x = 927,521,594.51/29,982.15
  6. Step 6: Final answer
    x = 30,935.79

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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.