Home / 51,377.44-76,997.04-20,204.32

Finding the Fourth Proportional to 51,377.44, 76,997.04 and 20,204.32

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Solution

The fourth proportional to 51,377.44, 76,997.04 and 20,204.32 is: 30,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.44 : 76,997.04 = 20,204.32 : x
  2. Step 2: Convert to fraction form
    51,377.44/76,997.04 = 20,204.32/x
  3. Step 3: Cross multiply
    51,377.44x = 76,997.04 × 20,204.32
  4. Step 4: Simplify right side
    51,377.44x = 1,555,672,835.21
  5. Step 5: Solve for x
    x = 1,555,672,835.21/51,377.44
  6. Step 6: Final answer
    x = 30,279.30

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1.5x scale

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.