Home / 57,710.32-86,556.82-18,262.32

Finding the Fourth Proportional to 57,710.32, 86,556.82 and 18,262.32

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Solution

The fourth proportional to 57,710.32, 86,556.82 and 18,262.32 is: 27,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,710.32 : 86,556.82 = 18,262.32 : x
  2. Step 2: Convert to fraction form
    57,710.32/86,556.82 = 18,262.32/x
  3. Step 3: Cross multiply
    57,710.32x = 86,556.82 × 18,262.32
  4. Step 4: Simplify right side
    57,710.32x = 1,580,728,345.02
  5. Step 5: Solve for x
    x = 1,580,728,345.02/57,710.32
  6. Step 6: Final answer
    x = 27,390.74

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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.