Home / 29,671.18-40,945.20-16,928.49

Finding the Fourth Proportional to 29,671.18, 40,945.20 and 16,928.49

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Solution

The fourth proportional to 29,671.18, 40,945.20 and 16,928.49 is: 23,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,671.18 : 40,945.20 = 16,928.49 : x
  2. Step 2: Convert to fraction form
    29,671.18/40,945.20 = 16,928.49/x
  3. Step 3: Cross multiply
    29,671.18x = 40,945.20 × 16,928.49
  4. Step 4: Simplify right side
    29,671.18x = 693,140,408.75
  5. Step 5: Solve for x
    x = 693,140,408.75/29,671.18
  6. Step 6: Final answer
    x = 23,360.73

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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.