Home / 45,243.44-67,832.36-30,415.60

Finding the Fourth Proportional to 45,243.44, 67,832.36 and 30,415.60

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Solution

The fourth proportional to 45,243.44, 67,832.36 and 30,415.60 is: 45,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,243.44 : 67,832.36 = 30,415.60 : x
  2. Step 2: Convert to fraction form
    45,243.44/67,832.36 = 30,415.60/x
  3. Step 3: Cross multiply
    45,243.44x = 67,832.36 × 30,415.60
  4. Step 4: Simplify right side
    45,243.44x = 2,063,161,928.82
  5. Step 5: Solve for x
    x = 2,063,161,928.82/45,243.44
  6. Step 6: Final answer
    x = 45,601.35

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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.