Home / 55,764.82-83,660.39-18,325

Finding the Fourth Proportional to 55,764.82, 83,660.39 and 18,325

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Solution

The fourth proportional to 55,764.82, 83,660.39 and 18,325 is: 27,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.82 : 83,660.39 = 18,325 : x
  2. Step 2: Convert to fraction form
    55,764.82/83,660.39 = 18,325/x
  3. Step 3: Cross multiply
    55,764.82x = 83,660.39 × 18,325
  4. Step 4: Simplify right side
    55,764.82x = 1,533,076,646.75
  5. Step 5: Solve for x
    x = 1,533,076,646.75/55,764.82
  6. Step 6: Final answer
    x = 27,491.82

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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.