Home / 51,336.19-76,816.94-30,286.31

Finding the Fourth Proportional to 51,336.19, 76,816.94 and 30,286.31

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Solution

The fourth proportional to 51,336.19, 76,816.94 and 30,286.31 is: 45,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336.19 : 76,816.94 = 30,286.31 : x
  2. Step 2: Convert to fraction form
    51,336.19/76,816.94 = 30,286.31/x
  3. Step 3: Cross multiply
    51,336.19x = 76,816.94 × 30,286.31
  4. Step 4: Simplify right side
    51,336.19x = 2,326,501,658.09
  5. Step 5: Solve for x
    x = 2,326,501,658.09/51,336.19
  6. Step 6: Final answer
    x = 45,318.94

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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.