Home / 55,577.55-83,379.59-18,137.69

Finding the Fourth Proportional to 55,577.55, 83,379.59 and 18,137.69

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Solution

The fourth proportional to 55,577.55, 83,379.59 and 18,137.69 is: 27,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,577.55 : 83,379.59 = 18,137.69 : x
  2. Step 2: Convert to fraction form
    55,577.55/83,379.59 = 18,137.69/x
  3. Step 3: Cross multiply
    55,577.55x = 83,379.59 × 18,137.69
  4. Step 4: Simplify right side
    55,577.55x = 1,512,313,409.54
  5. Step 5: Solve for x
    x = 1,512,313,409.54/55,577.55
  6. Step 6: Final answer
    x = 27,210.87

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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.