Home / 30,842.85-46,261.17-20,911.37

Finding the Fourth Proportional to 30,842.85, 46,261.17 and 20,911.37

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Solution

The fourth proportional to 30,842.85, 46,261.17 and 20,911.37 is: 31,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,842.85 : 46,261.17 = 20,911.37 : x
  2. Step 2: Convert to fraction form
    30,842.85/46,261.17 = 20,911.37/x
  3. Step 3: Cross multiply
    30,842.85x = 46,261.17 × 20,911.37
  4. Step 4: Simplify right side
    30,842.85x = 967,384,442.50
  5. Step 5: Solve for x
    x = 967,384,442.50/30,842.85
  6. Step 6: Final answer
    x = 31,364.95

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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.