Home / 31,553.01-43,543.44-17,406.09

Finding the Fourth Proportional to 31,553.01, 43,543.44 and 17,406.09

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Solution

The fourth proportional to 31,553.01, 43,543.44 and 17,406.09 is: 24,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.01 : 43,543.44 = 17,406.09 : x
  2. Step 2: Convert to fraction form
    31,553.01/43,543.44 = 17,406.09/x
  3. Step 3: Cross multiply
    31,553.01x = 43,543.44 × 17,406.09
  4. Step 4: Simplify right side
    31,553.01x = 757,921,035.55
  5. Step 5: Solve for x
    x = 757,921,035.55/31,553.01
  6. Step 6: Final answer
    x = 24,020.56

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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.