Home / 38,148.88-57,067.68-30,761.68

Finding the Fourth Proportional to 38,148.88, 57,067.68 and 30,761.68

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Solution

The fourth proportional to 38,148.88, 57,067.68 and 30,761.68 is: 46,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.88 : 57,067.68 = 30,761.68 : x
  2. Step 2: Convert to fraction form
    38,148.88/57,067.68 = 30,761.68/x
  3. Step 3: Cross multiply
    38,148.88x = 57,067.68 × 30,761.68
  4. Step 4: Simplify right side
    38,148.88x = 1,755,497,710.50
  5. Step 5: Solve for x
    x = 1,755,497,710.50/38,148.88
  6. Step 6: Final answer
    x = 46,017.02

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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.