Home / 82,955.94-124,434.38-20,626.44

Finding the Fourth Proportional to 82,955.94, 124,434.38 and 20,626.44

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Solution

The fourth proportional to 82,955.94, 124,434.38 and 20,626.44 is: 30,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,955.94 : 124,434.38 = 20,626.44 : x
  2. Step 2: Convert to fraction form
    82,955.94/124,434.38 = 20,626.44/x
  3. Step 3: Cross multiply
    82,955.94x = 124,434.38 × 20,626.44
  4. Step 4: Simplify right side
    82,955.94x = 2,566,638,273.01
  5. Step 5: Solve for x
    x = 2,566,638,273.01/82,955.94
  6. Step 6: Final answer
    x = 30,939.78

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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.