Home / 45,932.77-68,912.12-18,250.21

Finding the Fourth Proportional to 45,932.77, 68,912.12 and 18,250.21

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Solution

The fourth proportional to 45,932.77, 68,912.12 and 18,250.21 is: 27,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,932.77 : 68,912.12 = 18,250.21 : x
  2. Step 2: Convert to fraction form
    45,932.77/68,912.12 = 18,250.21/x
  3. Step 3: Cross multiply
    45,932.77x = 68,912.12 × 18,250.21
  4. Step 4: Simplify right side
    45,932.77x = 1,257,660,661.55
  5. Step 5: Solve for x
    x = 1,257,660,661.55/45,932.77
  6. Step 6: Final answer
    x = 27,380.47

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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.