Home / 54,614.16-81,929.88-19,553.04

Finding the Fourth Proportional to 54,614.16, 81,929.88 and 19,553.04

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Solution

The fourth proportional to 54,614.16, 81,929.88 and 19,553.04 is: 29,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,614.16 : 81,929.88 = 19,553.04 : x
  2. Step 2: Convert to fraction form
    54,614.16/81,929.88 = 19,553.04/x
  3. Step 3: Cross multiply
    54,614.16x = 81,929.88 × 19,553.04
  4. Step 4: Simplify right side
    54,614.16x = 1,601,978,220.84
  5. Step 5: Solve for x
    x = 1,601,978,220.84/54,614.16
  6. Step 6: Final answer
    x = 29,332.65

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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.