Home / 30,759.46-46,120.96-13,885.54

Finding the Fourth Proportional to 30,759.46, 46,120.96 and 13,885.54

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Solution

The fourth proportional to 30,759.46, 46,120.96 and 13,885.54 is: 20,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.46 : 46,120.96 = 13,885.54 : x
  2. Step 2: Convert to fraction form
    30,759.46/46,120.96 = 13,885.54/x
  3. Step 3: Cross multiply
    30,759.46x = 46,120.96 × 13,885.54
  4. Step 4: Simplify right side
    30,759.46x = 640,414,336.97
  5. Step 5: Solve for x
    x = 640,414,336.97/30,759.46
  6. Step 6: Final answer
    x = 20,820.08

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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.