Home / 39,963.08-55,149.46-22,057.70

Finding the Fourth Proportional to 39,963.08, 55,149.46 and 22,057.70

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Solution

The fourth proportional to 39,963.08, 55,149.46 and 22,057.70 is: 30,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.08 : 55,149.46 = 22,057.70 : x
  2. Step 2: Convert to fraction form
    39,963.08/55,149.46 = 22,057.70/x
  3. Step 3: Cross multiply
    39,963.08x = 55,149.46 × 22,057.70
  4. Step 4: Simplify right side
    39,963.08x = 1,216,470,243.84
  5. Step 5: Solve for x
    x = 1,216,470,243.84/39,963.08
  6. Step 6: Final answer
    x = 30,439.85

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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.