Home / 54,644.42-81,906.48-21,358.28

Finding the Fourth Proportional to 54,644.42, 81,906.48 and 21,358.28

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Solution

The fourth proportional to 54,644.42, 81,906.48 and 21,358.28 is: 32,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.42 : 81,906.48 = 21,358.28 : x
  2. Step 2: Convert to fraction form
    54,644.42/81,906.48 = 21,358.28/x
  3. Step 3: Cross multiply
    54,644.42x = 81,906.48 × 21,358.28
  4. Step 4: Simplify right side
    54,644.42x = 1,749,381,533.65
  5. Step 5: Solve for x
    x = 1,749,381,533.65/54,644.42
  6. Step 6: Final answer
    x = 32,013.91

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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.