Home / 55,316.71-82,949.14-20,231.83

Finding the Fourth Proportional to 55,316.71, 82,949.14 and 20,231.83

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Solution

The fourth proportional to 55,316.71, 82,949.14 and 20,231.83 is: 30,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316.71 : 82,949.14 = 20,231.83 : x
  2. Step 2: Convert to fraction form
    55,316.71/82,949.14 = 20,231.83/x
  3. Step 3: Cross multiply
    55,316.71x = 82,949.14 × 20,231.83
  4. Step 4: Simplify right side
    55,316.71x = 1,678,212,899.13
  5. Step 5: Solve for x
    x = 1,678,212,899.13/55,316.71
  6. Step 6: Final answer
    x = 30,338.26

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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.