Home / 50,018-74,968.56-27,820.88

Finding the Fourth Proportional to 50,018, 74,968.56 and 27,820.88

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Solution

The fourth proportional to 50,018, 74,968.56 and 27,820.88 is: 41,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,018 : 74,968.56 = 27,820.88 : x
  2. Step 2: Convert to fraction form
    50,018/74,968.56 = 27,820.88/x
  3. Step 3: Cross multiply
    50,018x = 74,968.56 × 27,820.88
  4. Step 4: Simplify right side
    50,018x = 2,085,691,311.53
  5. Step 5: Solve for x
    x = 2,085,691,311.53/50,018
  6. Step 6: Final answer
    x = 41,698.81

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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.