Home / 29,868.85-41,218.69-16,439.82

Finding the Fourth Proportional to 29,868.85, 41,218.69 and 16,439.82

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Solution

The fourth proportional to 29,868.85, 41,218.69 and 16,439.82 is: 22,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868.85 : 41,218.69 = 16,439.82 : x
  2. Step 2: Convert to fraction form
    29,868.85/41,218.69 = 16,439.82/x
  3. Step 3: Cross multiply
    29,868.85x = 41,218.69 × 16,439.82
  4. Step 4: Simplify right side
    29,868.85x = 677,627,576.49
  5. Step 5: Solve for x
    x = 677,627,576.49/29,868.85
  6. Step 6: Final answer
    x = 22,686.76

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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.