Home / 31,361.41-46,956.03-20,240.56

Finding the Fourth Proportional to 31,361.41, 46,956.03 and 20,240.56

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Solution

The fourth proportional to 31,361.41, 46,956.03 and 20,240.56 is: 30,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.41 : 46,956.03 = 20,240.56 : x
  2. Step 2: Convert to fraction form
    31,361.41/46,956.03 = 20,240.56/x
  3. Step 3: Cross multiply
    31,361.41x = 46,956.03 × 20,240.56
  4. Step 4: Simplify right side
    31,361.41x = 950,416,342.58
  5. Step 5: Solve for x
    x = 950,416,342.58/31,361.41
  6. Step 6: Final answer
    x = 30,305.28

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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.