Home / 31,178.52-46,777.77-11,174.52

Finding the Fourth Proportional to 31,178.52, 46,777.77 and 11,174.52

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Solution

The fourth proportional to 31,178.52, 46,777.77 and 11,174.52 is: 16,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178.52 : 46,777.77 = 11,174.52 : x
  2. Step 2: Convert to fraction form
    31,178.52/46,777.77 = 11,174.52/x
  3. Step 3: Cross multiply
    31,178.52x = 46,777.77 × 11,174.52
  4. Step 4: Simplify right side
    31,178.52x = 522,719,301.84
  5. Step 5: Solve for x
    x = 522,719,301.84/31,178.52
  6. Step 6: Final answer
    x = 16,765.37

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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.