Home / 31,714.26-47,561.90-19,885.99

Finding the Fourth Proportional to 31,714.26, 47,561.90 and 19,885.99

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Solution

The fourth proportional to 31,714.26, 47,561.90 and 19,885.99 is: 29,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.26 : 47,561.90 = 19,885.99 : x
  2. Step 2: Convert to fraction form
    31,714.26/47,561.90 = 19,885.99/x
  3. Step 3: Cross multiply
    31,714.26x = 47,561.90 × 19,885.99
  4. Step 4: Simplify right side
    31,714.26x = 945,815,467.78
  5. Step 5: Solve for x
    x = 945,815,467.78/31,714.26
  6. Step 6: Final answer
    x = 29,823.03

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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.