Home / 50,665.14-75,991.23-21,077.46

Finding the Fourth Proportional to 50,665.14, 75,991.23 and 21,077.46

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Solution

The fourth proportional to 50,665.14, 75,991.23 and 21,077.46 is: 31,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,665.14 : 75,991.23 = 21,077.46 : x
  2. Step 2: Convert to fraction form
    50,665.14/75,991.23 = 21,077.46/x
  3. Step 3: Cross multiply
    50,665.14x = 75,991.23 × 21,077.46
  4. Step 4: Simplify right side
    50,665.14x = 1,601,702,110.68
  5. Step 5: Solve for x
    x = 1,601,702,110.68/50,665.14
  6. Step 6: Final answer
    x = 31,613.49

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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.