Home / 55,175.58-82,775.62-20,115.24

Finding the Fourth Proportional to 55,175.58, 82,775.62 and 20,115.24

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Solution

The fourth proportional to 55,175.58, 82,775.62 and 20,115.24 is: 30,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175.58 : 82,775.62 = 20,115.24 : x
  2. Step 2: Convert to fraction form
    55,175.58/82,775.62 = 20,115.24/x
  3. Step 3: Cross multiply
    55,175.58x = 82,775.62 × 20,115.24
  4. Step 4: Simplify right side
    55,175.58x = 1,665,051,177.18
  5. Step 5: Solve for x
    x = 1,665,051,177.18/55,175.58
  6. Step 6: Final answer
    x = 30,177.32

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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.