Home / 33,409.20-50,109.48-12,630

Finding the Fourth Proportional to 33,409.20, 50,109.48 and 12,630

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Solution

The fourth proportional to 33,409.20, 50,109.48 and 12,630 is: 18,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,409.20 : 50,109.48 = 12,630 : x
  2. Step 2: Convert to fraction form
    33,409.20/50,109.48 = 12,630/x
  3. Step 3: Cross multiply
    33,409.20x = 50,109.48 × 12,630
  4. Step 4: Simplify right side
    33,409.20x = 632,882,732.40
  5. Step 5: Solve for x
    x = 632,882,732.40/33,409.20
  6. Step 6: Final answer
    x = 18,943.37

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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.