Home / 56,481.28-84,717.32-19,040.54

Finding the Fourth Proportional to 56,481.28, 84,717.32 and 19,040.54

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Solution

The fourth proportional to 56,481.28, 84,717.32 and 19,040.54 is: 28,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,481.28 : 84,717.32 = 19,040.54 : x
  2. Step 2: Convert to fraction form
    56,481.28/84,717.32 = 19,040.54/x
  3. Step 3: Cross multiply
    56,481.28x = 84,717.32 × 19,040.54
  4. Step 4: Simplify right side
    56,481.28x = 1,613,063,520.15
  5. Step 5: Solve for x
    x = 1,613,063,520.15/56,481.28
  6. Step 6: Final answer
    x = 28,559.26

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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.