Home / 41,318-61,976.64-28,137.68

Finding the Fourth Proportional to 41,318, 61,976.64 and 28,137.68

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Solution

The fourth proportional to 41,318, 61,976.64 and 28,137.68 is: 42,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,318 : 61,976.64 = 28,137.68 : x
  2. Step 2: Convert to fraction form
    41,318/61,976.64 = 28,137.68/x
  3. Step 3: Cross multiply
    41,318x = 61,976.64 × 28,137.68
  4. Step 4: Simplify right side
    41,318x = 1,743,878,863.80
  5. Step 5: Solve for x
    x = 1,743,878,863.80/41,318
  6. Step 6: Final answer
    x = 42,206.27

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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.