Home / 54,495.16-81,694.31-21,207.44

Finding the Fourth Proportional to 54,495.16, 81,694.31 and 21,207.44

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Solution

The fourth proportional to 54,495.16, 81,694.31 and 21,207.44 is: 31,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,495.16 : 81,694.31 = 21,207.44 : x
  2. Step 2: Convert to fraction form
    54,495.16/81,694.31 = 21,207.44/x
  3. Step 3: Cross multiply
    54,495.16x = 81,694.31 × 21,207.44
  4. Step 4: Simplify right side
    54,495.16x = 1,732,527,275.86
  5. Step 5: Solve for x
    x = 1,732,527,275.86/54,495.16
  6. Step 6: Final answer
    x = 31,792.32

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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.