Home / 55,057.21-82,580.19-15,079.75

Finding the Fourth Proportional to 55,057.21, 82,580.19 and 15,079.75

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Solution

The fourth proportional to 55,057.21, 82,580.19 and 15,079.75 is: 22,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.21 : 82,580.19 = 15,079.75 : x
  2. Step 2: Convert to fraction form
    55,057.21/82,580.19 = 15,079.75/x
  3. Step 3: Cross multiply
    55,057.21x = 82,580.19 × 15,079.75
  4. Step 4: Simplify right side
    55,057.21x = 1,245,288,620.15
  5. Step 5: Solve for x
    x = 1,245,288,620.15/55,057.21
  6. Step 6: Final answer
    x = 22,618.08

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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.