Home / 53,713.14-80,618.94-28,781.34

Finding the Fourth Proportional to 53,713.14, 80,618.94 and 28,781.34

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Solution

The fourth proportional to 53,713.14, 80,618.94 and 28,781.34 is: 43,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,713.14 : 80,618.94 = 28,781.34 : x
  2. Step 2: Convert to fraction form
    53,713.14/80,618.94 = 28,781.34/x
  3. Step 3: Cross multiply
    53,713.14x = 80,618.94 × 28,781.34
  4. Step 4: Simplify right side
    53,713.14x = 2,320,321,122.58
  5. Step 5: Solve for x
    x = 2,320,321,122.58/53,713.14
  6. Step 6: Final answer
    x = 43,198.39

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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.