Home / 51,284.52-76,961.25-18,004.86

Finding the Fourth Proportional to 51,284.52, 76,961.25 and 18,004.86

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Solution

The fourth proportional to 51,284.52, 76,961.25 and 18,004.86 is: 27,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284.52 : 76,961.25 = 18,004.86 : x
  2. Step 2: Convert to fraction form
    51,284.52/76,961.25 = 18,004.86/x
  3. Step 3: Cross multiply
    51,284.52x = 76,961.25 × 18,004.86
  4. Step 4: Simplify right side
    51,284.52x = 1,385,676,531.68
  5. Step 5: Solve for x
    x = 1,385,676,531.68/51,284.52
  6. Step 6: Final answer
    x = 27,019.39

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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.