Home / 53,342.22-80,020.62-19,603.74

Finding the Fourth Proportional to 53,342.22, 80,020.62 and 19,603.74

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Solution

The fourth proportional to 53,342.22, 80,020.62 and 19,603.74 is: 29,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.22 : 80,020.62 = 19,603.74 : x
  2. Step 2: Convert to fraction form
    53,342.22/80,020.62 = 19,603.74/x
  3. Step 3: Cross multiply
    53,342.22x = 80,020.62 × 19,603.74
  4. Step 4: Simplify right side
    53,342.22x = 1,568,703,429.12
  5. Step 5: Solve for x
    x = 1,568,703,429.12/53,342.22
  6. Step 6: Final answer
    x = 29,408.29

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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.