Home / 57,278.37-79,044.57-31,784.85

Finding the Fourth Proportional to 57,278.37, 79,044.57 and 31,784.85

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Solution

The fourth proportional to 57,278.37, 79,044.57 and 31,784.85 is: 43,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,278.37 : 79,044.57 = 31,784.85 : x
  2. Step 2: Convert to fraction form
    57,278.37/79,044.57 = 31,784.85/x
  3. Step 3: Cross multiply
    57,278.37x = 79,044.57 × 31,784.85
  4. Step 4: Simplify right side
    57,278.37x = 2,512,419,800.76
  5. Step 5: Solve for x
    x = 2,512,419,800.76/57,278.37
  6. Step 6: Final answer
    x = 43,863.33

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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.