Home / 49,352.46-74,028-11,912.22

Finding the Fourth Proportional to 49,352.46, 74,028 and 11,912.22

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Solution

The fourth proportional to 49,352.46, 74,028 and 11,912.22 is: 17,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,352.46 : 74,028 = 11,912.22 : x
  2. Step 2: Convert to fraction form
    49,352.46/74,028 = 11,912.22/x
  3. Step 3: Cross multiply
    49,352.46x = 74,028 × 11,912.22
  4. Step 4: Simplify right side
    49,352.46x = 881,837,822.16
  5. Step 5: Solve for x
    x = 881,837,822.16/49,352.46
  6. Step 6: Final answer
    x = 17,868.16

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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.