Home / 30,999.63-46,497.78-18,183.93

Finding the Fourth Proportional to 30,999.63, 46,497.78 and 18,183.93

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Solution

The fourth proportional to 30,999.63, 46,497.78 and 18,183.93 is: 27,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,999.63 : 46,497.78 = 18,183.93 : x
  2. Step 2: Convert to fraction form
    30,999.63/46,497.78 = 18,183.93/x
  3. Step 3: Cross multiply
    30,999.63x = 46,497.78 × 18,183.93
  4. Step 4: Simplify right side
    30,999.63x = 845,512,376.68
  5. Step 5: Solve for x
    x = 845,512,376.68/30,999.63
  6. Step 6: Final answer
    x = 27,274.92

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1.5x scale

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.