Home / 38,147.88-57,066.18-30,760.68

Finding the Fourth Proportional to 38,147.88, 57,066.18 and 30,760.68

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Solution

The fourth proportional to 38,147.88, 57,066.18 and 30,760.68 is: 46,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.88 : 57,066.18 = 30,760.68 : x
  2. Step 2: Convert to fraction form
    38,147.88/57,066.18 = 30,760.68/x
  3. Step 3: Cross multiply
    38,147.88x = 57,066.18 × 30,760.68
  4. Step 4: Simplify right side
    38,147.88x = 1,755,394,501.80
  5. Step 5: Solve for x
    x = 1,755,394,501.80/38,147.88
  6. Step 6: Final answer
    x = 46,015.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.