Home / 39,979.44-59,964.39-31,103.66

Finding the Fourth Proportional to 39,979.44, 59,964.39 and 31,103.66

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Solution

The fourth proportional to 39,979.44, 59,964.39 and 31,103.66 is: 46,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,979.44 : 59,964.39 = 31,103.66 : x
  2. Step 2: Convert to fraction form
    39,979.44/59,964.39 = 31,103.66/x
  3. Step 3: Cross multiply
    39,979.44x = 59,964.39 × 31,103.66
  4. Step 4: Simplify right side
    39,979.44x = 1,865,112,148.58
  5. Step 5: Solve for x
    x = 1,865,112,148.58/39,979.44
  6. Step 6: Final answer
    x = 46,651.78

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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.