Home / 29,129.08-43,663.32-19,769.86

Finding the Fourth Proportional to 29,129.08, 43,663.32 and 19,769.86

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Solution

The fourth proportional to 29,129.08, 43,663.32 and 19,769.86 is: 29,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.08 : 43,663.32 = 19,769.86 : x
  2. Step 2: Convert to fraction form
    29,129.08/43,663.32 = 19,769.86/x
  3. Step 3: Cross multiply
    29,129.08x = 43,663.32 × 19,769.86
  4. Step 4: Simplify right side
    29,129.08x = 863,217,778.11
  5. Step 5: Solve for x
    x = 863,217,778.11/29,129.08
  6. Step 6: Final answer
    x = 29,634.23

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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.