Home / 45,932.96-68,891.34-12,644.96

Finding the Fourth Proportional to 45,932.96, 68,891.34 and 12,644.96

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Solution

The fourth proportional to 45,932.96, 68,891.34 and 12,644.96 is: 18,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,932.96 : 68,891.34 = 12,644.96 : x
  2. Step 2: Convert to fraction form
    45,932.96/68,891.34 = 12,644.96/x
  3. Step 3: Cross multiply
    45,932.96x = 68,891.34 × 12,644.96
  4. Step 4: Simplify right side
    45,932.96x = 871,128,238.65
  5. Step 5: Solve for x
    x = 871,128,238.65/45,932.96
  6. Step 6: Final answer
    x = 18,965.21

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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.