Home / 49,161.60-73,692-19,539.36

Finding the Fourth Proportional to 49,161.60, 73,692 and 19,539.36

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Solution

The fourth proportional to 49,161.60, 73,692 and 19,539.36 is: 29,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,161.60 : 73,692 = 19,539.36 : x
  2. Step 2: Convert to fraction form
    49,161.60/73,692 = 19,539.36/x
  3. Step 3: Cross multiply
    49,161.60x = 73,692 × 19,539.36
  4. Step 4: Simplify right side
    49,161.60x = 1,439,894,517.12
  5. Step 5: Solve for x
    x = 1,439,894,517.12/49,161.60
  6. Step 6: Final answer
    x = 29,289.01

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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.