Home / 50,949.37-70,309.74-27,978.94

Finding the Fourth Proportional to 50,949.37, 70,309.74 and 27,978.94

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Solution

The fourth proportional to 50,949.37, 70,309.74 and 27,978.94 is: 38,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949.37 : 70,309.74 = 27,978.94 : x
  2. Step 2: Convert to fraction form
    50,949.37/70,309.74 = 27,978.94/x
  3. Step 3: Cross multiply
    50,949.37x = 70,309.74 × 27,978.94
  4. Step 4: Simplify right side
    50,949.37x = 1,967,191,996.88
  5. Step 5: Solve for x
    x = 1,967,191,996.88/50,949.37
  6. Step 6: Final answer
    x = 38,610.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.