Home / 50,801.94-76,190.64-21,203.72

Finding the Fourth Proportional to 50,801.94, 76,190.64 and 21,203.72

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Solution

The fourth proportional to 50,801.94, 76,190.64 and 21,203.72 is: 31,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,801.94 : 76,190.64 = 21,203.72 : x
  2. Step 2: Convert to fraction form
    50,801.94/76,190.64 = 21,203.72/x
  3. Step 3: Cross multiply
    50,801.94x = 76,190.64 × 21,203.72
  4. Step 4: Simplify right side
    50,801.94x = 1,615,524,997.18
  5. Step 5: Solve for x
    x = 1,615,524,997.18/50,801.94
  6. Step 6: Final answer
    x = 31,800.46

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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.