Home / 56,383.26-84,538.11-18,427.86

Finding the Fourth Proportional to 56,383.26, 84,538.11 and 18,427.86

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Solution

The fourth proportional to 56,383.26, 84,538.11 and 18,427.86 is: 27,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,383.26 : 84,538.11 = 18,427.86 : x
  2. Step 2: Convert to fraction form
    56,383.26/84,538.11 = 18,427.86/x
  3. Step 3: Cross multiply
    56,383.26x = 84,538.11 × 18,427.86
  4. Step 4: Simplify right side
    56,383.26x = 1,557,856,455.74
  5. Step 5: Solve for x
    x = 1,557,856,455.74/56,383.26
  6. Step 6: Final answer
    x = 27,629.77

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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.