Home / 30,806.14-46,212.03-8,619.45

Finding the Fourth Proportional to 30,806.14, 46,212.03 and 8,619.45

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Solution

The fourth proportional to 30,806.14, 46,212.03 and 8,619.45 is: 12,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.14 : 46,212.03 = 8,619.45 : x
  2. Step 2: Convert to fraction form
    30,806.14/46,212.03 = 8,619.45/x
  3. Step 3: Cross multiply
    30,806.14x = 46,212.03 × 8,619.45
  4. Step 4: Simplify right side
    30,806.14x = 398,322,281.98
  5. Step 5: Solve for x
    x = 398,322,281.98/30,806.14
  6. Step 6: Final answer
    x = 12,929.96

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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.