Home / 49,515.39-74,320.25-30,738.60

Finding the Fourth Proportional to 49,515.39, 74,320.25 and 30,738.60

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Solution

The fourth proportional to 49,515.39, 74,320.25 and 30,738.60 is: 46,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.39 : 74,320.25 = 30,738.60 : x
  2. Step 2: Convert to fraction form
    49,515.39/74,320.25 = 30,738.60/x
  3. Step 3: Cross multiply
    49,515.39x = 74,320.25 × 30,738.60
  4. Step 4: Simplify right side
    49,515.39x = 2,284,500,282.96
  5. Step 5: Solve for x
    x = 2,284,500,282.96/49,515.39
  6. Step 6: Final answer
    x = 46,137.18

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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.