Home / 57,407.22-79,217.37-31,911.58

Finding the Fourth Proportional to 57,407.22, 79,217.37 and 31,911.58

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Solution

The fourth proportional to 57,407.22, 79,217.37 and 31,911.58 is: 44,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.22 : 79,217.37 = 31,911.58 : x
  2. Step 2: Convert to fraction form
    57,407.22/79,217.37 = 31,911.58/x
  3. Step 3: Cross multiply
    57,407.22x = 79,217.37 × 31,911.58
  4. Step 4: Simplify right side
    57,407.22x = 2,527,951,440.14
  5. Step 5: Solve for x
    x = 2,527,951,440.14/57,407.22
  6. Step 6: Final answer
    x = 44,035.43

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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.