Home / 54,875.82-82,305.30-17,431.05

Finding the Fourth Proportional to 54,875.82, 82,305.30 and 17,431.05

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Solution

The fourth proportional to 54,875.82, 82,305.30 and 17,431.05 is: 26,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.82 : 82,305.30 = 17,431.05 : x
  2. Step 2: Convert to fraction form
    54,875.82/82,305.30 = 17,431.05/x
  3. Step 3: Cross multiply
    54,875.82x = 82,305.30 × 17,431.05
  4. Step 4: Simplify right side
    54,875.82x = 1,434,667,799.57
  5. Step 5: Solve for x
    x = 1,434,667,799.57/54,875.82
  6. Step 6: Final answer
    x = 26,143.90

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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.