Home / 49,028.84-73,478.66-19,430.54

Finding the Fourth Proportional to 49,028.84, 73,478.66 and 19,430.54

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Solution

The fourth proportional to 49,028.84, 73,478.66 and 19,430.54 is: 29,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,028.84 : 73,478.66 = 19,430.54 : x
  2. Step 2: Convert to fraction form
    49,028.84/73,478.66 = 19,430.54/x
  3. Step 3: Cross multiply
    49,028.84x = 73,478.66 × 19,430.54
  4. Step 4: Simplify right side
    49,028.84x = 1,427,730,128.82
  5. Step 5: Solve for x
    x = 1,427,730,128.82/49,028.84
  6. Step 6: Final answer
    x = 29,120.21

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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.