Home / 45,486.96-68,116.50-28,796.64

Finding the Fourth Proportional to 45,486.96, 68,116.50 and 28,796.64

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Solution

The fourth proportional to 45,486.96, 68,116.50 and 28,796.64 is: 43,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,486.96 : 68,116.50 = 28,796.64 : x
  2. Step 2: Convert to fraction form
    45,486.96/68,116.50 = 28,796.64/x
  3. Step 3: Cross multiply
    45,486.96x = 68,116.50 × 28,796.64
  4. Step 4: Simplify right side
    45,486.96x = 1,961,526,328.56
  5. Step 5: Solve for x
    x = 1,961,526,328.56/45,486.96
  6. Step 6: Final answer
    x = 43,122.83

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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.