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Finding the Fourth Proportional to 54,723.82, 82,085.74 and 13,170.82

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Solution

The fourth proportional to 54,723.82, 82,085.74 and 13,170.82 is: 19,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,723.82 : 82,085.74 = 13,170.82 : x
  2. Step 2: Convert to fraction form
    54,723.82/82,085.74 = 13,170.82/x
  3. Step 3: Cross multiply
    54,723.82x = 82,085.74 × 13,170.82
  4. Step 4: Simplify right side
    54,723.82x = 1,081,136,062.75
  5. Step 5: Solve for x
    x = 1,081,136,062.75/54,723.82
  6. Step 6: Final answer
    x = 19,756.23

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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.