Home / 61,149.06-91,717.44-16,780.28

Finding the Fourth Proportional to 61,149.06, 91,717.44 and 16,780.28

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Solution

The fourth proportional to 61,149.06, 91,717.44 and 16,780.28 is: 25,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,149.06 : 91,717.44 = 16,780.28 : x
  2. Step 2: Convert to fraction form
    61,149.06/91,717.44 = 16,780.28/x
  3. Step 3: Cross multiply
    61,149.06x = 91,717.44 × 16,780.28
  4. Step 4: Simplify right side
    61,149.06x = 1,539,044,324.08
  5. Step 5: Solve for x
    x = 1,539,044,324.08/61,149.06
  6. Step 6: Final answer
    x = 25,168.73

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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.