Home / 57,333.85-79,121.48-31,841.86

Finding the Fourth Proportional to 57,333.85, 79,121.48 and 31,841.86

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Solution

The fourth proportional to 57,333.85, 79,121.48 and 31,841.86 is: 43,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,333.85 : 79,121.48 = 31,841.86 : x
  2. Step 2: Convert to fraction form
    57,333.85/79,121.48 = 31,841.86/x
  3. Step 3: Cross multiply
    57,333.85x = 79,121.48 × 31,841.86
  4. Step 4: Simplify right side
    57,333.85x = 2,519,374,773.15
  5. Step 5: Solve for x
    x = 2,519,374,773.15/57,333.85
  6. Step 6: Final answer
    x = 43,942.19

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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.