Home / 29,667.21-40,939.75-16,238.19

Finding the Fourth Proportional to 29,667.21, 40,939.75 and 16,238.19

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Solution

The fourth proportional to 29,667.21, 40,939.75 and 16,238.19 is: 22,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,667.21 : 40,939.75 = 16,238.19 : x
  2. Step 2: Convert to fraction form
    29,667.21/40,939.75 = 16,238.19/x
  3. Step 3: Cross multiply
    29,667.21x = 40,939.75 × 16,238.19
  4. Step 4: Simplify right side
    29,667.21x = 664,787,459.35
  5. Step 5: Solve for x
    x = 664,787,459.35/29,667.21
  6. Step 6: Final answer
    x = 22,408.15

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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.