Home / 50,707.56-76,010.22-21,141.72

Finding the Fourth Proportional to 50,707.56, 76,010.22 and 21,141.72

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Solution

The fourth proportional to 50,707.56, 76,010.22 and 21,141.72 is: 31,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,707.56 : 76,010.22 = 21,141.72 : x
  2. Step 2: Convert to fraction form
    50,707.56/76,010.22 = 21,141.72/x
  3. Step 3: Cross multiply
    50,707.56x = 76,010.22 × 21,141.72
  4. Step 4: Simplify right side
    50,707.56x = 1,606,986,788.38
  5. Step 5: Solve for x
    x = 1,606,986,788.38/50,707.56
  6. Step 6: Final answer
    x = 31,691.27

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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.