Home / 50,921.56-76,386.44-19,346.75

Finding the Fourth Proportional to 50,921.56, 76,386.44 and 19,346.75

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Solution

The fourth proportional to 50,921.56, 76,386.44 and 19,346.75 is: 29,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.56 : 76,386.44 = 19,346.75 : x
  2. Step 2: Convert to fraction form
    50,921.56/76,386.44 = 19,346.75/x
  3. Step 3: Cross multiply
    50,921.56x = 76,386.44 × 19,346.75
  4. Step 4: Simplify right side
    50,921.56x = 1,477,829,310.95
  5. Step 5: Solve for x
    x = 1,477,829,310.95/50,921.56
  6. Step 6: Final answer
    x = 29,021.68

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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.