Home / 29,408.68-40,584.06-15,979.84

Finding the Fourth Proportional to 29,408.68, 40,584.06 and 15,979.84

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Solution

The fourth proportional to 29,408.68, 40,584.06 and 15,979.84 is: 22,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.68 : 40,584.06 = 15,979.84 : x
  2. Step 2: Convert to fraction form
    29,408.68/40,584.06 = 15,979.84/x
  3. Step 3: Cross multiply
    29,408.68x = 40,584.06 × 15,979.84
  4. Step 4: Simplify right side
    29,408.68x = 648,526,785.35
  5. Step 5: Solve for x
    x = 648,526,785.35/29,408.68
  6. Step 6: Final answer
    x = 22,052.22

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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.