Home / 56,078.12-84,092.57-20,993.18

Finding the Fourth Proportional to 56,078.12, 84,092.57 and 20,993.18

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Solution

The fourth proportional to 56,078.12, 84,092.57 and 20,993.18 is: 31,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,078.12 : 84,092.57 = 20,993.18 : x
  2. Step 2: Convert to fraction form
    56,078.12/84,092.57 = 20,993.18/x
  3. Step 3: Cross multiply
    56,078.12x = 84,092.57 × 20,993.18
  4. Step 4: Simplify right side
    56,078.12x = 1,765,370,011.97
  5. Step 5: Solve for x
    x = 1,765,370,011.97/56,078.12
  6. Step 6: Final answer
    x = 31,480.55

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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.