Home / 31,553.55-43,542.45-17,213.04

Finding the Fourth Proportional to 31,553.55, 43,542.45 and 17,213.04

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Solution

The fourth proportional to 31,553.55, 43,542.45 and 17,213.04 is: 23,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.55 : 43,542.45 = 17,213.04 : x
  2. Step 2: Convert to fraction form
    31,553.55/43,542.45 = 17,213.04/x
  3. Step 3: Cross multiply
    31,553.55x = 43,542.45 × 17,213.04
  4. Step 4: Simplify right side
    31,553.55x = 749,497,933.55
  5. Step 5: Solve for x
    x = 749,497,933.55/31,553.55
  6. Step 6: Final answer
    x = 23,753.20

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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.