Home / 51,788.10-77,683.77-16,728.06

Finding the Fourth Proportional to 51,788.10, 77,683.77 and 16,728.06

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Solution

The fourth proportional to 51,788.10, 77,683.77 and 16,728.06 is: 25,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,788.10 : 77,683.77 = 16,728.06 : x
  2. Step 2: Convert to fraction form
    51,788.10/77,683.77 = 16,728.06/x
  3. Step 3: Cross multiply
    51,788.10x = 77,683.77 × 16,728.06
  4. Step 4: Simplify right side
    51,788.10x = 1,299,498,765.59
  5. Step 5: Solve for x
    x = 1,299,498,765.59/51,788.10
  6. Step 6: Final answer
    x = 25,092.61

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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.