Home / 54,418.50-81,596.03-21,099.64

Finding the Fourth Proportional to 54,418.50, 81,596.03 and 21,099.64

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Solution

The fourth proportional to 54,418.50, 81,596.03 and 21,099.64 is: 31,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,418.50 : 81,596.03 = 21,099.64 : x
  2. Step 2: Convert to fraction form
    54,418.50/81,596.03 = 21,099.64/x
  3. Step 3: Cross multiply
    54,418.50x = 81,596.03 × 21,099.64
  4. Step 4: Simplify right side
    54,418.50x = 1,721,646,684.11
  5. Step 5: Solve for x
    x = 1,721,646,684.11/54,418.50
  6. Step 6: Final answer
    x = 31,637.16

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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.