Home / 49,032.48-73,539.90-20,968.32

Finding the Fourth Proportional to 49,032.48, 73,539.90 and 20,968.32

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Solution

The fourth proportional to 49,032.48, 73,539.90 and 20,968.32 is: 31,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,032.48 : 73,539.90 = 20,968.32 : x
  2. Step 2: Convert to fraction form
    49,032.48/73,539.90 = 20,968.32/x
  3. Step 3: Cross multiply
    49,032.48x = 73,539.90 × 20,968.32
  4. Step 4: Simplify right side
    49,032.48x = 1,542,008,155.97
  5. Step 5: Solve for x
    x = 1,542,008,155.97/49,032.48
  6. Step 6: Final answer
    x = 31,448.71

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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.