Home / 55,576.32-83,371.80-18,123.30

Finding the Fourth Proportional to 55,576.32, 83,371.80 and 18,123.30

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Solution

The fourth proportional to 55,576.32, 83,371.80 and 18,123.30 is: 27,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.32 : 83,371.80 = 18,123.30 : x
  2. Step 2: Convert to fraction form
    55,576.32/83,371.80 = 18,123.30/x
  3. Step 3: Cross multiply
    55,576.32x = 83,371.80 × 18,123.30
  4. Step 4: Simplify right side
    55,576.32x = 1,510,972,142.94
  5. Step 5: Solve for x
    x = 1,510,972,142.94/55,576.32
  6. Step 6: Final answer
    x = 27,187.34

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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.