Home / 47,200.53-70,789.46-13,911.60

Finding the Fourth Proportional to 47,200.53, 70,789.46 and 13,911.60

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Solution

The fourth proportional to 47,200.53, 70,789.46 and 13,911.60 is: 20,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.53 : 70,789.46 = 13,911.60 : x
  2. Step 2: Convert to fraction form
    47,200.53/70,789.46 = 13,911.60/x
  3. Step 3: Cross multiply
    47,200.53x = 70,789.46 × 13,911.60
  4. Step 4: Simplify right side
    47,200.53x = 984,794,582.18
  5. Step 5: Solve for x
    x = 984,794,582.18/47,200.53
  6. Step 6: Final answer
    x = 20,864.06

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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.