Home / 47,982.48-71,984.80-14,247.75

Finding the Fourth Proportional to 47,982.48, 71,984.80 and 14,247.75

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Solution

The fourth proportional to 47,982.48, 71,984.80 and 14,247.75 is: 21,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.48 : 71,984.80 = 14,247.75 : x
  2. Step 2: Convert to fraction form
    47,982.48/71,984.80 = 14,247.75/x
  3. Step 3: Cross multiply
    47,982.48x = 71,984.80 × 14,247.75
  4. Step 4: Simplify right side
    47,982.48x = 1,025,621,218.62
  5. Step 5: Solve for x
    x = 1,025,621,218.62/47,982.48
  6. Step 6: Final answer
    x = 21,374.91

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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.