Home / 49,428.96-74,142.86-19,846.27

Finding the Fourth Proportional to 49,428.96, 74,142.86 and 19,846.27

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Solution

The fourth proportional to 49,428.96, 74,142.86 and 19,846.27 is: 29,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.96 : 74,142.86 = 19,846.27 : x
  2. Step 2: Convert to fraction form
    49,428.96/74,142.86 = 19,846.27/x
  3. Step 3: Cross multiply
    49,428.96x = 74,142.86 × 19,846.27
  4. Step 4: Simplify right side
    49,428.96x = 1,471,459,453.11
  5. Step 5: Solve for x
    x = 1,471,459,453.11/49,428.96
  6. Step 6: Final answer
    x = 29,769.18

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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.