Home / 57,556.30-79,439.94-38,682.48

Finding the Fourth Proportional to 57,556.30, 79,439.94 and 38,682.48

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Solution

The fourth proportional to 57,556.30, 79,439.94 and 38,682.48 is: 53,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,556.30 : 79,439.94 = 38,682.48 : x
  2. Step 2: Convert to fraction form
    57,556.30/79,439.94 = 38,682.48/x
  3. Step 3: Cross multiply
    57,556.30x = 79,439.94 × 38,682.48
  4. Step 4: Simplify right side
    57,556.30x = 3,072,933,890.25
  5. Step 5: Solve for x
    x = 3,072,933,890.25/57,556.30
  6. Step 6: Final answer
    x = 53,390.05

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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.