Home / 40,198.90-55,470.81-22,293.85

Finding the Fourth Proportional to 40,198.90, 55,470.81 and 22,293.85

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Solution

The fourth proportional to 40,198.90, 55,470.81 and 22,293.85 is: 30,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.90 : 55,470.81 = 22,293.85 : x
  2. Step 2: Convert to fraction form
    40,198.90/55,470.81 = 22,293.85/x
  3. Step 3: Cross multiply
    40,198.90x = 55,470.81 × 22,293.85
  4. Step 4: Simplify right side
    40,198.90x = 1,236,657,640.16
  5. Step 5: Solve for x
    x = 1,236,657,640.16/40,198.90
  6. Step 6: Final answer
    x = 30,763.47

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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.