Home / 49,796.48-74,693.22-20,213.60

Finding the Fourth Proportional to 49,796.48, 74,693.22 and 20,213.60

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Solution

The fourth proportional to 49,796.48, 74,693.22 and 20,213.60 is: 30,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,796.48 : 74,693.22 = 20,213.60 : x
  2. Step 2: Convert to fraction form
    49,796.48/74,693.22 = 20,213.60/x
  3. Step 3: Cross multiply
    49,796.48x = 74,693.22 × 20,213.60
  4. Step 4: Simplify right side
    49,796.48x = 1,509,818,871.79
  5. Step 5: Solve for x
    x = 1,509,818,871.79/49,796.48
  6. Step 6: Final answer
    x = 30,319.79

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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.