Home / 30,812.37-46,197.69-12,080.71

Finding the Fourth Proportional to 30,812.37, 46,197.69 and 12,080.71

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Solution

The fourth proportional to 30,812.37, 46,197.69 and 12,080.71 is: 18,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.37 : 46,197.69 = 12,080.71 : x
  2. Step 2: Convert to fraction form
    30,812.37/46,197.69 = 12,080.71/x
  3. Step 3: Cross multiply
    30,812.37x = 46,197.69 × 12,080.71
  4. Step 4: Simplify right side
    30,812.37x = 558,100,895.56
  5. Step 5: Solve for x
    x = 558,100,895.56/30,812.37
  6. Step 6: Final answer
    x = 18,112.88

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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.