Home / 33,997.60-51,007.20-15,270.40

Finding the Fourth Proportional to 33,997.60, 51,007.20 and 15,270.40

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Solution

The fourth proportional to 33,997.60, 51,007.20 and 15,270.40 is: 22,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,997.60 : 51,007.20 = 15,270.40 : x
  2. Step 2: Convert to fraction form
    33,997.60/51,007.20 = 15,270.40/x
  3. Step 3: Cross multiply
    33,997.60x = 51,007.20 × 15,270.40
  4. Step 4: Simplify right side
    33,997.60x = 778,900,346.88
  5. Step 5: Solve for x
    x = 778,900,346.88/33,997.60
  6. Step 6: Final answer
    x = 22,910.45

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1.5x scale

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.