Home / 29,018.14-43,530.33-12,379.93

Finding the Fourth Proportional to 29,018.14, 43,530.33 and 12,379.93

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Solution

The fourth proportional to 29,018.14, 43,530.33 and 12,379.93 is: 18,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.14 : 43,530.33 = 12,379.93 : x
  2. Step 2: Convert to fraction form
    29,018.14/43,530.33 = 12,379.93/x
  3. Step 3: Cross multiply
    29,018.14x = 43,530.33 × 12,379.93
  4. Step 4: Simplify right side
    29,018.14x = 538,902,438.28
  5. Step 5: Solve for x
    x = 538,902,438.28/29,018.14
  6. Step 6: Final answer
    x = 18,571.23

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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.