Home / 40,993.48-61,508.54-19,921.96

Finding the Fourth Proportional to 40,993.48, 61,508.54 and 19,921.96

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Solution

The fourth proportional to 40,993.48, 61,508.54 and 19,921.96 is: 29,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,993.48 : 61,508.54 = 19,921.96 : x
  2. Step 2: Convert to fraction form
    40,993.48/61,508.54 = 19,921.96/x
  3. Step 3: Cross multiply
    40,993.48x = 61,508.54 × 19,921.96
  4. Step 4: Simplify right side
    40,993.48x = 1,225,370,673.54
  5. Step 5: Solve for x
    x = 1,225,370,673.54/40,993.48
  6. Step 6: Final answer
    x = 29,891.84

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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.