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Finding the Fourth Proportional to 29,943.42, 41,322.24 and 16,515.24

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Solution

The fourth proportional to 29,943.42, 41,322.24 and 16,515.24 is: 22,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,943.42 : 41,322.24 = 16,515.24 : x
  2. Step 2: Convert to fraction form
    29,943.42/41,322.24 = 16,515.24/x
  3. Step 3: Cross multiply
    29,943.42x = 41,322.24 × 16,515.24
  4. Step 4: Simplify right side
    29,943.42x = 682,446,710.94
  5. Step 5: Solve for x
    x = 682,446,710.94/29,943.42
  6. Step 6: Final answer
    x = 22,791.21

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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.