Home / 53,221.92-79,789.58-19,923.34

Finding the Fourth Proportional to 53,221.92, 79,789.58 and 19,923.34

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Solution

The fourth proportional to 53,221.92, 79,789.58 and 19,923.34 is: 29,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221.92 : 79,789.58 = 19,923.34 : x
  2. Step 2: Convert to fraction form
    53,221.92/79,789.58 = 19,923.34/x
  3. Step 3: Cross multiply
    53,221.92x = 79,789.58 × 19,923.34
  4. Step 4: Simplify right side
    53,221.92x = 1,589,674,930.80
  5. Step 5: Solve for x
    x = 1,589,674,930.80/53,221.92
  6. Step 6: Final answer
    x = 29,868.80

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1.5x scale

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.