Home / 55,027.36-82,553.28-19,966.24

Finding the Fourth Proportional to 55,027.36, 82,553.28 and 19,966.24

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Solution

The fourth proportional to 55,027.36, 82,553.28 and 19,966.24 is: 29,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.36 : 82,553.28 = 19,966.24 : x
  2. Step 2: Convert to fraction form
    55,027.36/82,553.28 = 19,966.24/x
  3. Step 3: Cross multiply
    55,027.36x = 82,553.28 × 19,966.24
  4. Step 4: Simplify right side
    55,027.36x = 1,648,278,601.27
  5. Step 5: Solve for x
    x = 1,648,278,601.27/55,027.36
  6. Step 6: Final answer
    x = 29,953.80

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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.