Home / 54,523.26-81,746.62-21,215.26

Finding the Fourth Proportional to 54,523.26, 81,746.62 and 21,215.26

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Solution

The fourth proportional to 54,523.26, 81,746.62 and 21,215.26 is: 31,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,523.26 : 81,746.62 = 21,215.26 : x
  2. Step 2: Convert to fraction form
    54,523.26/81,746.62 = 21,215.26/x
  3. Step 3: Cross multiply
    54,523.26x = 81,746.62 × 21,215.26
  4. Step 4: Simplify right side
    54,523.26x = 1,734,275,797.42
  5. Step 5: Solve for x
    x = 1,734,275,797.42/54,523.26
  6. Step 6: Final answer
    x = 31,808.00

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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.