Home / 54,558.33-81,838.85-15,115.79

Finding the Fourth Proportional to 54,558.33, 81,838.85 and 15,115.79

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Solution

The fourth proportional to 54,558.33, 81,838.85 and 15,115.79 is: 22,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.33 : 81,838.85 = 15,115.79 : x
  2. Step 2: Convert to fraction form
    54,558.33/81,838.85 = 15,115.79/x
  3. Step 3: Cross multiply
    54,558.33x = 81,838.85 × 15,115.79
  4. Step 4: Simplify right side
    54,558.33x = 1,237,058,385.67
  5. Step 5: Solve for x
    x = 1,237,058,385.67/54,558.33
  6. Step 6: Final answer
    x = 22,674.05

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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.