Home / 40,067.91-60,105.42-10,485.63

Finding the Fourth Proportional to 40,067.91, 60,105.42 and 10,485.63

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Solution

The fourth proportional to 40,067.91, 60,105.42 and 10,485.63 is: 15,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,067.91 : 60,105.42 = 10,485.63 : x
  2. Step 2: Convert to fraction form
    40,067.91/60,105.42 = 10,485.63/x
  3. Step 3: Cross multiply
    40,067.91x = 60,105.42 × 10,485.63
  4. Step 4: Simplify right side
    40,067.91x = 630,243,195.11
  5. Step 5: Solve for x
    x = 630,243,195.11/40,067.91
  6. Step 6: Final answer
    x = 15,729.38

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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.