Home / 30,993.07-46,489.20-7,619.71

Finding the Fourth Proportional to 30,993.07, 46,489.20 and 7,619.71

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Solution

The fourth proportional to 30,993.07, 46,489.20 and 7,619.71 is: 11,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,993.07 : 46,489.20 = 7,619.71 : x
  2. Step 2: Convert to fraction form
    30,993.07/46,489.20 = 7,619.71/x
  3. Step 3: Cross multiply
    30,993.07x = 46,489.20 × 7,619.71
  4. Step 4: Simplify right side
    30,993.07x = 354,234,222.13
  5. Step 5: Solve for x
    x = 354,234,222.13/30,993.07
  6. Step 6: Final answer
    x = 11,429.47

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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.