Home / 51,930.89-71,664.66-28,057.56

Finding the Fourth Proportional to 51,930.89, 71,664.66 and 28,057.56

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Solution

The fourth proportional to 51,930.89, 71,664.66 and 28,057.56 is: 38,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.89 : 71,664.66 = 28,057.56 : x
  2. Step 2: Convert to fraction form
    51,930.89/71,664.66 = 28,057.56/x
  3. Step 3: Cross multiply
    51,930.89x = 71,664.66 × 28,057.56
  4. Step 4: Simplify right side
    51,930.89x = 2,010,735,357.54
  5. Step 5: Solve for x
    x = 2,010,735,357.54/51,930.89
  6. Step 6: Final answer
    x = 38,719.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.