Home / 55,575.86-83,372.45-18,127.21

Finding the Fourth Proportional to 55,575.86, 83,372.45 and 18,127.21

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Solution

The fourth proportional to 55,575.86, 83,372.45 and 18,127.21 is: 27,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.86 : 83,372.45 = 18,127.21 : x
  2. Step 2: Convert to fraction form
    55,575.86/83,372.45 = 18,127.21/x
  3. Step 3: Cross multiply
    55,575.86x = 83,372.45 × 18,127.21
  4. Step 4: Simplify right side
    55,575.86x = 1,511,309,909.36
  5. Step 5: Solve for x
    x = 1,511,309,909.36/55,575.86
  6. Step 6: Final answer
    x = 27,193.64

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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.