Home / 53,112.78-79,619.96-18,027.83

Finding the Fourth Proportional to 53,112.78, 79,619.96 and 18,027.83

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Solution

The fourth proportional to 53,112.78, 79,619.96 and 18,027.83 is: 27,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.78 : 79,619.96 = 18,027.83 : x
  2. Step 2: Convert to fraction form
    53,112.78/79,619.96 = 18,027.83/x
  3. Step 3: Cross multiply
    53,112.78x = 79,619.96 × 18,027.83
  4. Step 4: Simplify right side
    53,112.78x = 1,435,375,347.61
  5. Step 5: Solve for x
    x = 1,435,375,347.61/53,112.78
  6. Step 6: Final answer
    x = 27,025.05

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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.