Home / 57,380.10-79,181.55-31,887.96

Finding the Fourth Proportional to 57,380.10, 79,181.55 and 31,887.96

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Solution

The fourth proportional to 57,380.10, 79,181.55 and 31,887.96 is: 44,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.10 : 79,181.55 = 31,887.96 : x
  2. Step 2: Convert to fraction form
    57,380.10/79,181.55 = 31,887.96/x
  3. Step 3: Cross multiply
    57,380.10x = 79,181.55 × 31,887.96
  4. Step 4: Simplify right side
    57,380.10x = 2,524,938,099.14
  5. Step 5: Solve for x
    x = 2,524,938,099.14/57,380.10
  6. Step 6: Final answer
    x = 44,003.72

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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.