Home / 43,720.24-65,583.96-14,142.82

Finding the Fourth Proportional to 43,720.24, 65,583.96 and 14,142.82

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Solution

The fourth proportional to 43,720.24, 65,583.96 and 14,142.82 is: 21,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720.24 : 65,583.96 = 14,142.82 : x
  2. Step 2: Convert to fraction form
    43,720.24/65,583.96 = 14,142.82/x
  3. Step 3: Cross multiply
    43,720.24x = 65,583.96 × 14,142.82
  4. Step 4: Simplify right side
    43,720.24x = 927,542,141.17
  5. Step 5: Solve for x
    x = 927,542,141.17/43,720.24
  6. Step 6: Final answer
    x = 21,215.39

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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.