Home / 53,239.62-79,872.94-19,959.78

Finding the Fourth Proportional to 53,239.62, 79,872.94 and 19,959.78

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Solution

The fourth proportional to 53,239.62, 79,872.94 and 19,959.78 is: 29,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.62 : 79,872.94 = 19,959.78 : x
  2. Step 2: Convert to fraction form
    53,239.62/79,872.94 = 19,959.78/x
  3. Step 3: Cross multiply
    53,239.62x = 79,872.94 × 19,959.78
  4. Step 4: Simplify right side
    53,239.62x = 1,594,246,310.35
  5. Step 5: Solve for x
    x = 1,594,246,310.35/53,239.62
  6. Step 6: Final answer
    x = 29,944.73

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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.