Home / 55,195.08-82,742.70-20,126.52

Finding the Fourth Proportional to 55,195.08, 82,742.70 and 20,126.52

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Solution

The fourth proportional to 55,195.08, 82,742.70 and 20,126.52 is: 30,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,195.08 : 82,742.70 = 20,126.52 : x
  2. Step 2: Convert to fraction form
    55,195.08/82,742.70 = 20,126.52/x
  3. Step 3: Cross multiply
    55,195.08x = 82,742.70 × 20,126.52
  4. Step 4: Simplify right side
    55,195.08x = 1,665,322,606.40
  5. Step 5: Solve for x
    x = 1,665,322,606.40/55,195.08
  6. Step 6: Final answer
    x = 30,171.58

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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.