Home / 31,553.91-43,543.70-17,406.75

Finding the Fourth Proportional to 31,553.91, 43,543.70 and 17,406.75

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Solution

The fourth proportional to 31,553.91, 43,543.70 and 17,406.75 is: 24,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.91 : 43,543.70 = 17,406.75 : x
  2. Step 2: Convert to fraction form
    31,553.91/43,543.70 = 17,406.75/x
  3. Step 3: Cross multiply
    31,553.91x = 43,543.70 × 17,406.75
  4. Step 4: Simplify right side
    31,553.91x = 757,954,212.94
  5. Step 5: Solve for x
    x = 757,954,212.94/31,553.91
  6. Step 6: Final answer
    x = 24,020.93

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Double scale
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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.