Home / 31,714.20-43,676.82-31,025.43

Finding the Fourth Proportional to 31,714.20, 43,676.82 and 31,025.43

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Solution

The fourth proportional to 31,714.20, 43,676.82 and 31,025.43 is: 42,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.20 : 43,676.82 = 31,025.43 : x
  2. Step 2: Convert to fraction form
    31,714.20/43,676.82 = 31,025.43/x
  3. Step 3: Cross multiply
    31,714.20x = 43,676.82 × 31,025.43
  4. Step 4: Simplify right side
    31,714.20x = 1,355,092,121.53
  5. Step 5: Solve for x
    x = 1,355,092,121.53/31,714.20
  6. Step 6: Final answer
    x = 42,728.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.