Home / 29,043.88-40,103.13-22,318.90

Finding the Fourth Proportional to 29,043.88, 40,103.13 and 22,318.90

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Solution

The fourth proportional to 29,043.88, 40,103.13 and 22,318.90 is: 30,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.88 : 40,103.13 = 22,318.90 : x
  2. Step 2: Convert to fraction form
    29,043.88/40,103.13 = 22,318.90/x
  3. Step 3: Cross multiply
    29,043.88x = 40,103.13 × 22,318.90
  4. Step 4: Simplify right side
    29,043.88x = 895,057,748.16
  5. Step 5: Solve for x
    x = 895,057,748.16/29,043.88
  6. Step 6: Final answer
    x = 30,817.43

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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.