Home / 31,714.20-47,493.54-21,294.36

Finding the Fourth Proportional to 31,714.20, 47,493.54 and 21,294.36

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Solution

The fourth proportional to 31,714.20, 47,493.54 and 21,294.36 is: 31,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.20 : 47,493.54 = 21,294.36 : x
  2. Step 2: Convert to fraction form
    31,714.20/47,493.54 = 21,294.36/x
  3. Step 3: Cross multiply
    31,714.20x = 47,493.54 × 21,294.36
  4. Step 4: Simplify right side
    31,714.20x = 1,011,344,538.43
  5. Step 5: Solve for x
    x = 1,011,344,538.43/31,714.20
  6. Step 6: Final answer
    x = 31,889.33

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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.