Home / 54,520.35-81,782.34-15,077.79

Finding the Fourth Proportional to 54,520.35, 81,782.34 and 15,077.79

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Solution

The fourth proportional to 54,520.35, 81,782.34 and 15,077.79 is: 22,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.35 : 81,782.34 = 15,077.79 : x
  2. Step 2: Convert to fraction form
    54,520.35/81,782.34 = 15,077.79/x
  3. Step 3: Cross multiply
    54,520.35x = 81,782.34 × 15,077.79
  4. Step 4: Simplify right side
    54,520.35x = 1,233,096,948.23
  5. Step 5: Solve for x
    x = 1,233,096,948.23/54,520.35
  6. Step 6: Final answer
    x = 22,617.19

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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.