Home / 57,402.91-79,216.96-31,562.55

Finding the Fourth Proportional to 57,402.91, 79,216.96 and 31,562.55

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Solution

The fourth proportional to 57,402.91, 79,216.96 and 31,562.55 is: 43,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,402.91 : 79,216.96 = 31,562.55 : x
  2. Step 2: Convert to fraction form
    57,402.91/79,216.96 = 31,562.55/x
  3. Step 3: Cross multiply
    57,402.91x = 79,216.96 × 31,562.55
  4. Step 4: Simplify right side
    57,402.91x = 2,500,289,260.85
  5. Step 5: Solve for x
    x = 2,500,289,260.85/57,402.91
  6. Step 6: Final answer
    x = 43,556.84

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1.5x scale

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.