Home / 51,171.52-76,735.32-17,881.60

Finding the Fourth Proportional to 51,171.52, 76,735.32 and 17,881.60

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Solution

The fourth proportional to 51,171.52, 76,735.32 and 17,881.60 is: 26,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.52 : 76,735.32 = 17,881.60 : x
  2. Step 2: Convert to fraction form
    51,171.52/76,735.32 = 17,881.60/x
  3. Step 3: Cross multiply
    51,171.52x = 76,735.32 × 17,881.60
  4. Step 4: Simplify right side
    51,171.52x = 1,372,150,298.11
  5. Step 5: Solve for x
    x = 1,372,150,298.11/51,171.52
  6. Step 6: Final answer
    x = 26,814.73

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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.