Home / 57,674.58-86,504.40-18,235.68

Finding the Fourth Proportional to 57,674.58, 86,504.40 and 18,235.68

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Solution

The fourth proportional to 57,674.58, 86,504.40 and 18,235.68 is: 27,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,674.58 : 86,504.40 = 18,235.68 : x
  2. Step 2: Convert to fraction form
    57,674.58/86,504.40 = 18,235.68/x
  3. Step 3: Cross multiply
    57,674.58x = 86,504.40 × 18,235.68
  4. Step 4: Simplify right side
    57,674.58x = 1,577,466,556.99
  5. Step 5: Solve for x
    x = 1,577,466,556.99/57,674.58
  6. Step 6: Final answer
    x = 27,351.16

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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.