Home / 54,516.72-81,749.64-19,448.16

Finding the Fourth Proportional to 54,516.72, 81,749.64 and 19,448.16

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Solution

The fourth proportional to 54,516.72, 81,749.64 and 19,448.16 is: 29,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.72 : 81,749.64 = 19,448.16 : x
  2. Step 2: Convert to fraction form
    54,516.72/81,749.64 = 19,448.16/x
  3. Step 3: Cross multiply
    54,516.72x = 81,749.64 × 19,448.16
  4. Step 4: Simplify right side
    54,516.72x = 1,589,880,078.66
  5. Step 5: Solve for x
    x = 1,589,880,078.66/54,516.72
  6. Step 6: Final answer
    x = 29,163.16

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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.