Home / 31,754.64-47,622.23-21,956.88

Finding the Fourth Proportional to 31,754.64, 47,622.23 and 21,956.88

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Solution

The fourth proportional to 31,754.64, 47,622.23 and 21,956.88 is: 32,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.64 : 47,622.23 = 21,956.88 : x
  2. Step 2: Convert to fraction form
    31,754.64/47,622.23 = 21,956.88/x
  3. Step 3: Cross multiply
    31,754.64x = 47,622.23 × 21,956.88
  4. Step 4: Simplify right side
    31,754.64x = 1,045,635,589.44
  5. Step 5: Solve for x
    x = 1,045,635,589.44/31,754.64
  6. Step 6: Final answer
    x = 32,928.59

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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.