Home / 20,579.41-30,869.18-4,997.03

Finding the Fourth Proportional to 20,579.41, 30,869.18 and 4,997.03

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Solution

The fourth proportional to 20,579.41, 30,869.18 and 4,997.03 is: 7,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.41 : 30,869.18 = 4,997.03 : x
  2. Step 2: Convert to fraction form
    20,579.41/30,869.18 = 4,997.03/x
  3. Step 3: Cross multiply
    20,579.41x = 30,869.18 × 4,997.03
  4. Step 4: Simplify right side
    20,579.41x = 154,254,308.20
  5. Step 5: Solve for x
    x = 154,254,308.20/20,579.41
  6. Step 6: Final answer
    x = 7,495.57

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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.