Home / 31,714.26-47,537.01-20,628.87

Finding the Fourth Proportional to 31,714.26, 47,537.01 and 20,628.87

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Solution

The fourth proportional to 31,714.26, 47,537.01 and 20,628.87 is: 30,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.26 : 47,537.01 = 20,628.87 : x
  2. Step 2: Convert to fraction form
    31,714.26/47,537.01 = 20,628.87/x
  3. Step 3: Cross multiply
    31,714.26x = 47,537.01 × 20,628.87
  4. Step 4: Simplify right side
    31,714.26x = 980,634,799.48
  5. Step 5: Solve for x
    x = 980,634,799.48/31,714.26
  6. Step 6: Final answer
    x = 30,920.94

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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.