Home / 39,969.94-55,159.92-22,065.61

Finding the Fourth Proportional to 39,969.94, 55,159.92 and 22,065.61

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Solution

The fourth proportional to 39,969.94, 55,159.92 and 22,065.61 is: 30,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.94 : 55,159.92 = 22,065.61 : x
  2. Step 2: Convert to fraction form
    39,969.94/55,159.92 = 22,065.61/x
  3. Step 3: Cross multiply
    39,969.94x = 55,159.92 × 22,065.61
  4. Step 4: Simplify right side
    39,969.94x = 1,217,137,282.35
  5. Step 5: Solve for x
    x = 1,217,137,282.35/39,969.94
  6. Step 6: Final answer
    x = 30,451.32

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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.