Home / 30,761.92-46,146.73-12,039.54

Finding the Fourth Proportional to 30,761.92, 46,146.73 and 12,039.54

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Solution

The fourth proportional to 30,761.92, 46,146.73 and 12,039.54 is: 18,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.92 : 46,146.73 = 12,039.54 : x
  2. Step 2: Convert to fraction form
    30,761.92/46,146.73 = 12,039.54/x
  3. Step 3: Cross multiply
    30,761.92x = 46,146.73 × 12,039.54
  4. Step 4: Simplify right side
    30,761.92x = 555,585,401.70
  5. Step 5: Solve for x
    x = 555,585,401.70/30,761.92
  6. Step 6: Final answer
    x = 18,060.82

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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.