Home / 38,923.20-53,704.26-21,924

Finding the Fourth Proportional to 38,923.20, 53,704.26 and 21,924

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Solution

The fourth proportional to 38,923.20, 53,704.26 and 21,924 is: 30,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.20 : 53,704.26 = 21,924 : x
  2. Step 2: Convert to fraction form
    38,923.20/53,704.26 = 21,924/x
  3. Step 3: Cross multiply
    38,923.20x = 53,704.26 × 21,924
  4. Step 4: Simplify right side
    38,923.20x = 1,177,412,196.24
  5. Step 5: Solve for x
    x = 1,177,412,196.24/38,923.20
  6. Step 6: Final answer
    x = 30,249.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.