Home / 53,279.82-79,896.96-19,976.81

Finding the Fourth Proportional to 53,279.82, 79,896.96 and 19,976.81

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Solution

The fourth proportional to 53,279.82, 79,896.96 and 19,976.81 is: 29,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,279.82 : 79,896.96 = 19,976.81 : x
  2. Step 2: Convert to fraction form
    53,279.82/79,896.96 = 19,976.81/x
  3. Step 3: Cross multiply
    53,279.82x = 79,896.96 × 19,976.81
  4. Step 4: Simplify right side
    53,279.82x = 1,596,085,990.01
  5. Step 5: Solve for x
    x = 1,596,085,990.01/53,279.82
  6. Step 6: Final answer
    x = 29,956.67

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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.