Home / 33,412.20-50,118.27-13,421.68

Finding the Fourth Proportional to 33,412.20, 50,118.27 and 13,421.68

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Solution

The fourth proportional to 33,412.20, 50,118.27 and 13,421.68 is: 20,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,412.20 : 50,118.27 = 13,421.68 : x
  2. Step 2: Convert to fraction form
    33,412.20/50,118.27 = 13,421.68/x
  3. Step 3: Cross multiply
    33,412.20x = 50,118.27 × 13,421.68
  4. Step 4: Simplify right side
    33,412.20x = 672,671,540.94
  5. Step 5: Solve for x
    x = 672,671,540.94/33,412.20
  6. Step 6: Final answer
    x = 20,132.52

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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.