Home / 53,857.23-80,822.75-18,796.89

Finding the Fourth Proportional to 53,857.23, 80,822.75 and 18,796.89

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Solution

The fourth proportional to 53,857.23, 80,822.75 and 18,796.89 is: 28,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.23 : 80,822.75 = 18,796.89 : x
  2. Step 2: Convert to fraction form
    53,857.23/80,822.75 = 18,796.89/x
  3. Step 3: Cross multiply
    53,857.23x = 80,822.75 × 18,796.89
  4. Step 4: Simplify right side
    53,857.23x = 1,519,216,201.45
  5. Step 5: Solve for x
    x = 1,519,216,201.45/53,857.23
  6. Step 6: Final answer
    x = 28,208.21

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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.