Home / 53,921.21-80,877.87-18,379.58

Finding the Fourth Proportional to 53,921.21, 80,877.87 and 18,379.58

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Solution

The fourth proportional to 53,921.21, 80,877.87 and 18,379.58 is: 27,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.21 : 80,877.87 = 18,379.58 : x
  2. Step 2: Convert to fraction form
    53,921.21/80,877.87 = 18,379.58/x
  3. Step 3: Cross multiply
    53,921.21x = 80,877.87 × 18,379.58
  4. Step 4: Simplify right side
    53,921.21x = 1,486,500,877.51
  5. Step 5: Solve for x
    x = 1,486,500,877.51/53,921.21
  6. Step 6: Final answer
    x = 27,568.02

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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.