Home / 55,813.35-83,731.55-18,375.66

Finding the Fourth Proportional to 55,813.35, 83,731.55 and 18,375.66

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Solution

The fourth proportional to 55,813.35, 83,731.55 and 18,375.66 is: 27,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,813.35 : 83,731.55 = 18,375.66 : x
  2. Step 2: Convert to fraction form
    55,813.35/83,731.55 = 18,375.66/x
  3. Step 3: Cross multiply
    55,813.35x = 83,731.55 × 18,375.66
  4. Step 4: Simplify right side
    55,813.35x = 1,538,622,453.88
  5. Step 5: Solve for x
    x = 1,538,622,453.88/55,813.35
  6. Step 6: Final answer
    x = 27,567.28

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1.5x scale

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.