Home / 55,575.43-83,370-18,125.49

Finding the Fourth Proportional to 55,575.43, 83,370 and 18,125.49

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Solution

The fourth proportional to 55,575.43, 83,370 and 18,125.49 is: 27,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.43 : 83,370 = 18,125.49 : x
  2. Step 2: Convert to fraction form
    55,575.43/83,370 = 18,125.49/x
  3. Step 3: Cross multiply
    55,575.43x = 83,370 × 18,125.49
  4. Step 4: Simplify right side
    55,575.43x = 1,511,122,101.30
  5. Step 5: Solve for x
    x = 1,511,122,101.30/55,575.43
  6. Step 6: Final answer
    x = 27,190.47

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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.