Home / 63,979.40-95,976.30-19,605.80

Finding the Fourth Proportional to 63,979.40, 95,976.30 and 19,605.80

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Solution

The fourth proportional to 63,979.40, 95,976.30 and 19,605.80 is: 29,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.40 : 95,976.30 = 19,605.80 : x
  2. Step 2: Convert to fraction form
    63,979.40/95,976.30 = 19,605.80/x
  3. Step 3: Cross multiply
    63,979.40x = 95,976.30 × 19,605.80
  4. Step 4: Simplify right side
    63,979.40x = 1,881,692,142.54
  5. Step 5: Solve for x
    x = 1,881,692,142.54/63,979.40
  6. Step 6: Final answer
    x = 29,410.91

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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.