Home / 55,366.83-83,053.89-20,331.09

Finding the Fourth Proportional to 55,366.83, 83,053.89 and 20,331.09

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Solution

The fourth proportional to 55,366.83, 83,053.89 and 20,331.09 is: 30,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366.83 : 83,053.89 = 20,331.09 : x
  2. Step 2: Convert to fraction form
    55,366.83/83,053.89 = 20,331.09/x
  3. Step 3: Cross multiply
    55,366.83x = 83,053.89 × 20,331.09
  4. Step 4: Simplify right side
    55,366.83x = 1,688,576,112.44
  5. Step 5: Solve for x
    x = 1,688,576,112.44/55,366.83
  6. Step 6: Final answer
    x = 30,497.97

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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.