Home / 31,667.17-43,694.63-18,054.96

Finding the Fourth Proportional to 31,667.17, 43,694.63 and 18,054.96

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Solution

The fourth proportional to 31,667.17, 43,694.63 and 18,054.96 is: 24,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,667.17 : 43,694.63 = 18,054.96 : x
  2. Step 2: Convert to fraction form
    31,667.17/43,694.63 = 18,054.96/x
  3. Step 3: Cross multiply
    31,667.17x = 43,694.63 × 18,054.96
  4. Step 4: Simplify right side
    31,667.17x = 788,904,615.77
  5. Step 5: Solve for x
    x = 788,904,615.77/31,667.17
  6. Step 6: Final answer
    x = 24,912.38

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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.