Home / 43,149.30-64,701.99-19,755.69

Finding the Fourth Proportional to 43,149.30, 64,701.99 and 19,755.69

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Solution

The fourth proportional to 43,149.30, 64,701.99 and 19,755.69 is: 29,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149.30 : 64,701.99 = 19,755.69 : x
  2. Step 2: Convert to fraction form
    43,149.30/64,701.99 = 19,755.69/x
  3. Step 3: Cross multiply
    43,149.30x = 64,701.99 × 19,755.69
  4. Step 4: Simplify right side
    43,149.30x = 1,278,232,456.82
  5. Step 5: Solve for x
    x = 1,278,232,456.82/43,149.30
  6. Step 6: Final answer
    x = 29,623.48

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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.