Home / 29,133.88-40,193.01-16,861.21

Finding the Fourth Proportional to 29,133.88, 40,193.01 and 16,861.21

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Solution

The fourth proportional to 29,133.88, 40,193.01 and 16,861.21 is: 23,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,133.88 : 40,193.01 = 16,861.21 : x
  2. Step 2: Convert to fraction form
    29,133.88/40,193.01 = 16,861.21/x
  3. Step 3: Cross multiply
    29,133.88x = 40,193.01 × 16,861.21
  4. Step 4: Simplify right side
    29,133.88x = 677,702,907.75
  5. Step 5: Solve for x
    x = 677,702,907.75/29,133.88
  6. Step 6: Final answer
    x = 23,261.68

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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.