Home / 51,654.92-77,439.67-19,627.36

Finding the Fourth Proportional to 51,654.92, 77,439.67 and 19,627.36

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Solution

The fourth proportional to 51,654.92, 77,439.67 and 19,627.36 is: 29,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,654.92 : 77,439.67 = 19,627.36 : x
  2. Step 2: Convert to fraction form
    51,654.92/77,439.67 = 19,627.36/x
  3. Step 3: Cross multiply
    51,654.92x = 77,439.67 × 19,627.36
  4. Step 4: Simplify right side
    51,654.92x = 1,519,936,231.62
  5. Step 5: Solve for x
    x = 1,519,936,231.62/51,654.92
  6. Step 6: Final answer
    x = 29,424.81

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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.