Home / 45,817.58-68,609.70-30,187.82

Finding the Fourth Proportional to 45,817.58, 68,609.70 and 30,187.82

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Solution

The fourth proportional to 45,817.58, 68,609.70 and 30,187.82 is: 45,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,817.58 : 68,609.70 = 30,187.82 : x
  2. Step 2: Convert to fraction form
    45,817.58/68,609.70 = 30,187.82/x
  3. Step 3: Cross multiply
    45,817.58x = 68,609.70 × 30,187.82
  4. Step 4: Simplify right side
    45,817.58x = 2,071,177,273.85
  5. Step 5: Solve for x
    x = 2,071,177,273.85/45,817.58
  6. Step 6: Final answer
    x = 45,204.86

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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.