Home / 53,857.05-80,786.16-18,796.83

Finding the Fourth Proportional to 53,857.05, 80,786.16 and 18,796.83

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Solution

The fourth proportional to 53,857.05, 80,786.16 and 18,796.83 is: 28,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.05 : 80,786.16 = 18,796.83 : x
  2. Step 2: Convert to fraction form
    53,857.05/80,786.16 = 18,796.83/x
  3. Step 3: Cross multiply
    53,857.05x = 80,786.16 × 18,796.83
  4. Step 4: Simplify right side
    53,857.05x = 1,518,523,715.87
  5. Step 5: Solve for x
    x = 1,518,523,715.87/53,857.05
  6. Step 6: Final answer
    x = 28,195.45

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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.