Home / 41,989.94-57,950.21-31,361.12

Finding the Fourth Proportional to 41,989.94, 57,950.21 and 31,361.12

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Solution

The fourth proportional to 41,989.94, 57,950.21 and 31,361.12 is: 43,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,989.94 : 57,950.21 = 31,361.12 : x
  2. Step 2: Convert to fraction form
    41,989.94/57,950.21 = 31,361.12/x
  3. Step 3: Cross multiply
    41,989.94x = 57,950.21 × 31,361.12
  4. Step 4: Simplify right side
    41,989.94x = 1,817,383,489.84
  5. Step 5: Solve for x
    x = 1,817,383,489.84/41,989.94
  6. Step 6: Final answer
    x = 43,281.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.