Home / 36,380.70-54,579.27-11,420.66

Finding the Fourth Proportional to 36,380.70, 54,579.27 and 11,420.66

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Solution

The fourth proportional to 36,380.70, 54,579.27 and 11,420.66 is: 17,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380.70 : 54,579.27 = 11,420.66 : x
  2. Step 2: Convert to fraction form
    36,380.70/54,579.27 = 11,420.66/x
  3. Step 3: Cross multiply
    36,380.70x = 54,579.27 × 11,420.66
  4. Step 4: Simplify right side
    36,380.70x = 623,331,012.82
  5. Step 5: Solve for x
    x = 623,331,012.82/36,380.70
  6. Step 6: Final answer
    x = 17,133.56

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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.