Home / 45,917.46-68,874.84-19,277.64

Finding the Fourth Proportional to 45,917.46, 68,874.84 and 19,277.64

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Solution

The fourth proportional to 45,917.46, 68,874.84 and 19,277.64 is: 28,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,917.46 : 68,874.84 = 19,277.64 : x
  2. Step 2: Convert to fraction form
    45,917.46/68,874.84 = 19,277.64/x
  3. Step 3: Cross multiply
    45,917.46x = 68,874.84 × 19,277.64
  4. Step 4: Simplify right side
    45,917.46x = 1,327,744,370.58
  5. Step 5: Solve for x
    x = 1,327,744,370.58/45,917.46
  6. Step 6: Final answer
    x = 28,915.89

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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.