Home / 67,067.52-92,555.68-40,214.40

Finding the Fourth Proportional to 67,067.52, 92,555.68 and 40,214.40

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Solution

The fourth proportional to 67,067.52, 92,555.68 and 40,214.40 is: 55,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,067.52 : 92,555.68 = 40,214.40 : x
  2. Step 2: Convert to fraction form
    67,067.52/92,555.68 = 40,214.40/x
  3. Step 3: Cross multiply
    67,067.52x = 92,555.68 × 40,214.40
  4. Step 4: Simplify right side
    67,067.52x = 3,722,071,137.79
  5. Step 5: Solve for x
    x = 3,722,071,137.79/67,067.52
  6. Step 6: Final answer
    x = 55,497.37

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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.