Home / 31,964.68-47,889.42-17,157.88

Finding the Fourth Proportional to 31,964.68, 47,889.42 and 17,157.88

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Solution

The fourth proportional to 31,964.68, 47,889.42 and 17,157.88 is: 25,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.68 : 47,889.42 = 17,157.88 : x
  2. Step 2: Convert to fraction form
    31,964.68/47,889.42 = 17,157.88/x
  3. Step 3: Cross multiply
    31,964.68x = 47,889.42 × 17,157.88
  4. Step 4: Simplify right side
    31,964.68x = 821,680,921.63
  5. Step 5: Solve for x
    x = 821,680,921.63/31,964.68
  6. Step 6: Final answer
    x = 25,705.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.