Home / 54,032.12-80,992.74-20,743.22

Finding the Fourth Proportional to 54,032.12, 80,992.74 and 20,743.22

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Solution

The fourth proportional to 54,032.12, 80,992.74 and 20,743.22 is: 31,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,032.12 : 80,992.74 = 20,743.22 : x
  2. Step 2: Convert to fraction form
    54,032.12/80,992.74 = 20,743.22/x
  3. Step 3: Cross multiply
    54,032.12x = 80,992.74 × 20,743.22
  4. Step 4: Simplify right side
    54,032.12x = 1,680,050,224.22
  5. Step 5: Solve for x
    x = 1,680,050,224.22/54,032.12
  6. Step 6: Final answer
    x = 31,093.55

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1.5x scale

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.