Home / 29,140.14-43,544.32-21,879.96

Finding the Fourth Proportional to 29,140.14, 43,544.32 and 21,879.96

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Solution

The fourth proportional to 29,140.14, 43,544.32 and 21,879.96 is: 32,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.14 : 43,544.32 = 21,879.96 : x
  2. Step 2: Convert to fraction form
    29,140.14/43,544.32 = 21,879.96/x
  3. Step 3: Cross multiply
    29,140.14x = 43,544.32 × 21,879.96
  4. Step 4: Simplify right side
    29,140.14x = 952,748,027.29
  5. Step 5: Solve for x
    x = 952,748,027.29/29,140.14
  6. Step 6: Final answer
    x = 32,695.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.