Home / 54,564.32-81,845.85-15,119.96

Finding the Fourth Proportional to 54,564.32, 81,845.85 and 15,119.96

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Solution

The fourth proportional to 54,564.32, 81,845.85 and 15,119.96 is: 22,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,564.32 : 81,845.85 = 15,119.96 : x
  2. Step 2: Convert to fraction form
    54,564.32/81,845.85 = 15,119.96/x
  3. Step 3: Cross multiply
    54,564.32x = 81,845.85 × 15,119.96
  4. Step 4: Simplify right side
    54,564.32x = 1,237,505,978.17
  5. Step 5: Solve for x
    x = 1,237,505,978.17/54,564.32
  6. Step 6: Final answer
    x = 22,679.77

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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.