Home / 54,343.82-81,495.84-18,796.16

Finding the Fourth Proportional to 54,343.82, 81,495.84 and 18,796.16

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Solution

The fourth proportional to 54,343.82, 81,495.84 and 18,796.16 is: 28,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.82 : 81,495.84 = 18,796.16 : x
  2. Step 2: Convert to fraction form
    54,343.82/81,495.84 = 18,796.16/x
  3. Step 3: Cross multiply
    54,343.82x = 81,495.84 × 18,796.16
  4. Step 4: Simplify right side
    54,343.82x = 1,531,808,847.97
  5. Step 5: Solve for x
    x = 1,531,808,847.97/54,343.82
  6. Step 6: Final answer
    x = 28,187.36

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1.5x scale

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.