Home / 43,039.58-64,562.19-11,449.17

Finding the Fourth Proportional to 43,039.58, 64,562.19 and 11,449.17

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Solution

The fourth proportional to 43,039.58, 64,562.19 and 11,449.17 is: 17,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.58 : 64,562.19 = 11,449.17 : x
  2. Step 2: Convert to fraction form
    43,039.58/64,562.19 = 11,449.17/x
  3. Step 3: Cross multiply
    43,039.58x = 64,562.19 × 11,449.17
  4. Step 4: Simplify right side
    43,039.58x = 739,183,488.88
  5. Step 5: Solve for x
    x = 739,183,488.88/43,039.58
  6. Step 6: Final answer
    x = 17,174.51

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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.