Home / 31,270.69-46,911.94-12,552.20

Finding the Fourth Proportional to 31,270.69, 46,911.94 and 12,552.20

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Solution

The fourth proportional to 31,270.69, 46,911.94 and 12,552.20 is: 18,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.69 : 46,911.94 = 12,552.20 : x
  2. Step 2: Convert to fraction form
    31,270.69/46,911.94 = 12,552.20/x
  3. Step 3: Cross multiply
    31,270.69x = 46,911.94 × 12,552.20
  4. Step 4: Simplify right side
    31,270.69x = 588,848,033.85
  5. Step 5: Solve for x
    x = 588,848,033.85/31,270.69
  6. Step 6: Final answer
    x = 18,830.67

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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.