Home / 53,198.22-79,799.76-19,909.68

Finding the Fourth Proportional to 53,198.22, 79,799.76 and 19,909.68

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Solution

The fourth proportional to 53,198.22, 79,799.76 and 19,909.68 is: 29,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.22 : 79,799.76 = 19,909.68 : x
  2. Step 2: Convert to fraction form
    53,198.22/79,799.76 = 19,909.68/x
  3. Step 3: Cross multiply
    53,198.22x = 79,799.76 × 19,909.68
  4. Step 4: Simplify right side
    53,198.22x = 1,588,787,685.68
  5. Step 5: Solve for x
    x = 1,588,787,685.68/53,198.22
  6. Step 6: Final answer
    x = 29,865.43

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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.