Home / 40,800.12-61,150.97-21,067.92

Finding the Fourth Proportional to 40,800.12, 61,150.97 and 21,067.92

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Solution

The fourth proportional to 40,800.12, 61,150.97 and 21,067.92 is: 31,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,800.12 : 61,150.97 = 21,067.92 : x
  2. Step 2: Convert to fraction form
    40,800.12/61,150.97 = 21,067.92/x
  3. Step 3: Cross multiply
    40,800.12x = 61,150.97 × 21,067.92
  4. Step 4: Simplify right side
    40,800.12x = 1,288,323,638.54
  5. Step 5: Solve for x
    x = 1,288,323,638.54/40,800.12
  6. Step 6: Final answer
    x = 31,576.47

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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.