Home / 49,180.80-67,875.60-30,056.64

Finding the Fourth Proportional to 49,180.80, 67,875.60 and 30,056.64

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Solution

The fourth proportional to 49,180.80, 67,875.60 and 30,056.64 is: 41,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,180.80 : 67,875.60 = 30,056.64 : x
  2. Step 2: Convert to fraction form
    49,180.80/67,875.60 = 30,056.64/x
  3. Step 3: Cross multiply
    49,180.80x = 67,875.60 × 30,056.64
  4. Step 4: Simplify right side
    49,180.80x = 2,040,112,473.98
  5. Step 5: Solve for x
    x = 2,040,112,473.98/49,180.80
  6. Step 6: Final answer
    x = 41,481.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.