Home / 31,555.05-43,542.94-17,406.98

Finding the Fourth Proportional to 31,555.05, 43,542.94 and 17,406.98

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Solution

The fourth proportional to 31,555.05, 43,542.94 and 17,406.98 is: 24,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.05 : 43,542.94 = 17,406.98 : x
  2. Step 2: Convert to fraction form
    31,555.05/43,542.94 = 17,406.98/x
  3. Step 3: Cross multiply
    31,555.05x = 43,542.94 × 17,406.98
  4. Step 4: Simplify right side
    31,555.05x = 757,951,265.34
  5. Step 5: Solve for x
    x = 757,951,265.34/31,555.05
  6. Step 6: Final answer
    x = 24,019.97

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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.