Home / 54,723.32-82,085.00-13,170.32

Finding the Fourth Proportional to 54,723.32, 82,085.00 and 13,170.32

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Solution

The fourth proportional to 54,723.32, 82,085.00 and 13,170.32 is: 19,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,723.32 : 82,085.00 = 13,170.32 : x
  2. Step 2: Convert to fraction form
    54,723.32/82,085.00 = 13,170.32/x
  3. Step 3: Cross multiply
    54,723.32x = 82,085.00 × 13,170.32
  4. Step 4: Simplify right side
    54,723.32x = 1,081,085,240.92
  5. Step 5: Solve for x
    x = 1,081,085,240.92/54,723.32
  6. Step 6: Final answer
    x = 19,755.48

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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.