Home / 56,108.39-84,156.37-20,083.41

Finding the Fourth Proportional to 56,108.39, 84,156.37 and 20,083.41

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Solution

The fourth proportional to 56,108.39, 84,156.37 and 20,083.41 is: 30,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,108.39 : 84,156.37 = 20,083.41 : x
  2. Step 2: Convert to fraction form
    56,108.39/84,156.37 = 20,083.41/x
  3. Step 3: Cross multiply
    56,108.39x = 84,156.37 × 20,083.41
  4. Step 4: Simplify right side
    56,108.39x = 1,690,146,419.30
  5. Step 5: Solve for x
    x = 1,690,146,419.30/56,108.39
  6. Step 6: Final answer
    x = 30,122.88

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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.