Home / 54,518.85-81,780.09-15,076.29

Finding the Fourth Proportional to 54,518.85, 81,780.09 and 15,076.29

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Solution

The fourth proportional to 54,518.85, 81,780.09 and 15,076.29 is: 22,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518.85 : 81,780.09 = 15,076.29 : x
  2. Step 2: Convert to fraction form
    54,518.85/81,780.09 = 15,076.29/x
  3. Step 3: Cross multiply
    54,518.85x = 81,780.09 × 15,076.29
  4. Step 4: Simplify right side
    54,518.85x = 1,232,940,353.07
  5. Step 5: Solve for x
    x = 1,232,940,353.07/54,518.85
  6. Step 6: Final answer
    x = 22,614.94

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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.