Home / 29,667.36-40,939.22-16,238.87

Finding the Fourth Proportional to 29,667.36, 40,939.22 and 16,238.87

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Solution

The fourth proportional to 29,667.36, 40,939.22 and 16,238.87 is: 22,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,667.36 : 40,939.22 = 16,238.87 : x
  2. Step 2: Convert to fraction form
    29,667.36/40,939.22 = 16,238.87/x
  3. Step 3: Cross multiply
    29,667.36x = 40,939.22 × 16,238.87
  4. Step 4: Simplify right side
    29,667.36x = 664,806,385.59
  5. Step 5: Solve for x
    x = 664,806,385.59/29,667.36
  6. Step 6: Final answer
    x = 22,408.68

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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.