Home / 39,904.31-55,067.64-22,000.07

Finding the Fourth Proportional to 39,904.31, 55,067.64 and 22,000.07

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Solution

The fourth proportional to 39,904.31, 55,067.64 and 22,000.07 is: 30,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.31 : 55,067.64 = 22,000.07 : x
  2. Step 2: Convert to fraction form
    39,904.31/55,067.64 = 22,000.07/x
  3. Step 3: Cross multiply
    39,904.31x = 55,067.64 × 22,000.07
  4. Step 4: Simplify right side
    39,904.31x = 1,211,491,934.73
  5. Step 5: Solve for x
    x = 1,211,491,934.73/39,904.31
  6. Step 6: Final answer
    x = 30,359.93

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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.