Home / 39,908.94-55,073.61-22,005.60

Finding the Fourth Proportional to 39,908.94, 55,073.61 and 22,005.60

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Solution

The fourth proportional to 39,908.94, 55,073.61 and 22,005.60 is: 30,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.94 : 55,073.61 = 22,005.60 : x
  2. Step 2: Convert to fraction form
    39,908.94/55,073.61 = 22,005.60/x
  3. Step 3: Cross multiply
    39,908.94x = 55,073.61 × 22,005.60
  4. Step 4: Simplify right side
    39,908.94x = 1,211,927,832.22
  5. Step 5: Solve for x
    x = 1,211,927,832.22/39,908.94
  6. Step 6: Final answer
    x = 30,367.33

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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.